7-sinf mavzulari bo’yicha dars ishlanmalar
Unit 0. Get strarted
Kimyo fanidan 7-sinflar uchun nazorat ishlari daftari
Kimyoviy diktant
1.Kimyo fani. ____________________________________________________________________________________________________________________________________________o’rganadigan fandir.
2.Uning predmeti..________________________________________________ _____________________________________________________________
3.Kimyo fanining asosiy vazifalaridan biri. ___________________________
4.Tabiatda asosan 2xil hodisa bo’lib;fizik hodisalar.._____________________
5.Kimyoviy hodisalar esa. _________________________________________
9. Moddalar 2 turga bo’linadi. ______________________________________
10.Oddiy moddalar. ____________________________________________________________________________________________________________________________
Murakkab moddalar. ___________________________________________ _____________________________________________________________
Nazorat ishi № – 2 Test
A) element atomlarining boshqa elementning muayyan sondagi atomlarini biriktirib olish hususiyati
B) 1 mol vodorod atomlari bilan birikadigan yoki kimyoviy reaksiyalarda shuncha vodorod atomlarining o’rnini oladigan miqdor
C) moddalarning bir – biri bilan proporsional miqorda tasirlashishi
2.Eng toza modda qanday belgilanadi?
A) “chin modda” B) “Maxsus toza” C) “konsentrlangan mod
3.Modda miqdorining o’lchami?
A) litr B) kulon C) mol
4.Kimyoviy tenglama nima?
A) kimyoviy reaksiyalarning kimyoviy formulalar, zarur bo’lsa indekslar bilan ifodalanishi B) kimyoviy moddalarni belgilar bilan ifodalanishi
C) kimyoviy reaksiyalarning kimyoviy formulalar, zarur bo’lsa koeffitsentlar bilan ifodalanishi
5.Valentlikning o’lchov birligi qilib qaysi element valentligi olingan?
A) kislorod B) litiy C) vodorod
6.Ifloslangan osh tuzini tozalash necha bosqichli amalga oshiriladi?
A) ifloslangan osh tuzi → ifloslangan osh tuzini eritish → ifloslangan osh tuzining eritmasini filtrlash → filtratni bug’latish → toza osh tuzi
B) ifloslangan osh tuzi → ifloslangan osh tuzini konsentrlash → ifloslangan osh tuzining eritmasini filtrlash → filtratni bug’latish → toza osh tuzi
C) ifloslangan osh tuzi → ifloslangan osh tuzini konsentrlash → ifloslangan osh tuzining eritmasini filtrlash → toza osh tuzi
7.Kimyoviy tenglama nima?
A) kimyoviy reaksiyalarning kimyoviy formulalar, zarur bo’lsa indekslar bilan ifodalanishi
B) kimyoviy moddalarni belgilar bilan ifodalanishi C) kimyoviy reaksiyalarning kimyoviy formulalar, zarur bo’lsa koeffitsentlar bilan ifodalanishi
8.Avogadro qonunini kim qachon kashf qilgan?
A) 1810 yili A. Avogadro B) 1811 yili A. Avogadro C) 1812 yili A. Avogadro
9. Anorganik moddalar qanday turga bo’linadi.
A) metallar va metallmaslar B) oddiy moddalar C) murakkab va oddiy moddalar
10. Metallmaslar berilgan qatori berilgan qatorni aniqlang?
A) Al, Cu, Sn,Hg B) O,N,Cl,F C) Au,Ag,Al D) O,N,Mg
11.O’zgaruvchan valentlikka ega bo’lgan elementni toping.
A) Al, Ba B) O va H C) N va Fe D) O va Al
12. Davriy sistemada nechta metallams mavjud?
A) 22 ta B) 97 C) 118 D) 19 ta
13. Kremniyning nisbiy atom massasi nechaga teng?
A) 28,086 B) 2,34 C) 19,020 D) 25,035
14. Kimyoviy elementning oddiy va murakkab moddalar molekulasi tarkibiga kiruvchi eng kichik zarra?
A) Molekula B) Allotropiya C) Atom D) Modda
15. Suv necha xil agregat holda uchraydi?
Nazorat ishi № – 3 Yozma ish
1. Oltingugurt kukuni, shakar, temir qirindisidan iborat arashlamani tarkibiy qismlarga ajrating.
2. Quyidagi formulalarni valentlik asosida to’g’rilab yozing:
CuO, CrO ClO AlO HgO KO NH CO HS SO
3. Quyidagi fizik va kimyoviy hossalarga ajratib jadvalni to’ldiring?
4. Quyidagi tenglamani tugallang va koeffitsiyentlar tanlang.
Nazorat ishi № – 4 Test
1.Yer qobig’ining necha foiz og’irlik qismini kislorod tashkil etadi.
A) 19% B) 47% C) 29% D) 53%
2. Quyidagi qaysi moddalar fotosintez jarayonda hosil bo’ladi.
3.Maktab laboratoriyasida kislorodni quyidagi qaysi moddalardan olish mumkin.
A) 1 va 3 B) 2 va 4 C) 4 va 6 D) 1,2 va 4
4. Kislorod quyidagi qaysi elementlar bilan reaksiyaga kirishadi.
1. Na 2. Ag. 3.P 4. Au. 5. N. 6. S. 7.Pt 8. Al;
A) 1,3,5,6,7 B) 1,3,5,6,8 C) 1,2,4,6,7 D) 3,4,6,7,8
5. Yer qobig’ining necha foizini kislorod tashkil etadi.
A) 56 % 3) 82 % C) 42% D) 47%
6. Ohaktosh tarkibida kislorodning massa ulushini aniqlang.
A) 42% 3) 48% C) 12% D) 40%
7. Havoga nisbatan zichligi 2 ga teng bo’lgan gazning nisbiy molekulyar massasini hisoblang.
A) 24 3) 54 C) 48 D) 58
8. Temir kislorodda yonganda qanday birikma hosil bo’ladi.
A) FeO B) Fe2O3 C) Fe3O4 D) temir kislorodda yonmaydi
9. 30 gr uglerod yonishi uchun necha litr kislorod kerak.
A) 56 B) 52 C) 36 D) 44,8
10. Suv tarkibidagi vodorodning foiz ulushi nechaga teng.
A) 18.2% B) 11.11% C) 22% D) 14%
11. Vododrod quyidagi qaysi metallda eriydi.
A) Na В) Zn C) Pt D) Fe
12. Vodorod qayerda eng ko’p uchraydi.
A) litosferada В) gidrosferada C) atmosferada D) koinotda
13. Vododrodning massa ulushi qaysi birikmada eng ko’p.
14. Vodorodning kim tomonidan kashf etilgan.
15. Kislorodning kim tomonidan kashf qilingan.
Nazorat ishi № – 5 Masalalar yechish
1). 4 t ammiak olish uchun n.sh da qancha vodorod kerak?
67.2 34 / = 6,72 l Javob: 6,72 l vodorod.
2) 4 g CuO bilan necha g H2SO4 reaksiyaga kirishadi va bunda qancha tuz hamda suv hosil bo’ladi?
3) 10 l H2 va 10 l O2 aralashmasi portlatilganda necha gr suv hosil bo’ladi va qaysi gaz qancha hajmda ortib qolgan.
4) Suvning molekulyar massasini, tarkibidagi elementlarning foiz tarkibini toping.
1) Mr(H2O) = 2 + 16 = 18
3) Yechish: W= 2: 18= 0.11∙ 100 = 11% vodorod H
4) W= 16: 18 = 0.89 ∙ 100= 89 % kislorod O
Demak: suv tarkibida 11% H va 89% O ekanligi, Mr 18gr/mol va ek 9 murakkab moddaligini keltirib chiqarildi.______________________________________________________________
Nazorat ishi № – 6 Masalalar yechish
1. Quyidagi oksidlarni nomlang va grafik formulasini yozing.
2. Quyidagi asoslarni nomlang va grafik tasvirlang. NaOH, Mg(OH)2 , Cr(OH)2
3. Quyidagi oksid va asoslarning molekulyar massasini hisoblab toping.
NaOH, KOH , CaO, MgO, H2O, LiOH, Mg(OH)2
4. Oksid va asoslar qanday turlarga bo’linadi.
Javoblar: 1) Oltingugurt (IV) – oksidi, uglerod(IV) – oksidi, fosfor (V)- oksidi.
O == S == O O == C == O
Nazorat ishi № – 7 Test
1. Kimyo fanining predmetini belgilang
A) kimyoviy xossalar, fizikaviy xossalarni o’rganish В) tabiiy va sintetik moddalar
C) modda va modda xossalarini bir- biriga aylanishi D) moddalarning o’zgarishi
2. Kimyo fani vazifasi
a) kimyoviy xossalar, fizikaviy xossalarni o’rganish
b) tabiiy va sintetik moddalar
c) modda va modda xossalarini bir- biriga aylanishi
d) moddalarning o’zgarishi
3. O’zgaruvchan valentlikka ega elementlarni belgilang
А) Al, Ba, K, Ca В) Cr, Cl, S, Fe, Br С) Zn, Hg, C, H D) Si, Na, Ag
4. Oksidlarda kislorod necha valentli bo’ladi
a) 1 b) 2 c) 3 d) 4
5. Moddalarning havoda yondirish uchun harorat nima deb ataladi
a) yonish b) alanga c) alangalanish harorati d) cho’x hosil bo’lish
6. “Qaldiroq gaz ” deb nimaga aytiladi
a) yuqori haroratda vodorod metallarni kislorod birikmalariga aytiladi
b) 2:1 hajmiy nisbatdagi vodorod va kislorod aralashmasi
c) vodorod bilan tuzsimon birilmalarga d) vodorod va kislorodning yonishi
7. H F zichligini toping
a) 20 b) 10 c) 5 d) 15
8. Eruvchanlik deb nimaga aytiladi
a) to’yingan eritmani xususiyati b) moddaning erish qobiliyati c) eruvchanlik o’chami d) erish
9. Metallarga kiruvchi elementlarni aniqlang
a) Cl, O2 , O3 S b) Cl, Na, O3 K c) Cu, Na, Fe, Ag d) Ag, Cl, Cu, P, Fe
10.Oksidlarni belgilang
a) H2 SO4 , NaOH, Ca(OH) b) BaSO4 , CaCl, P2 O5 c) NaOH , H2 SO3 , BaCl d) P2O5, SiO2 , SO2
11 . Kislotalarni belgilang
a) H2SO4,Mg(OH), SiO2 b) HCl, HNO3, H3PO4 c) LiHSO4, NaCl, Al(OH)SO4 d) NaCl
12. O’rta tuzni belgilang
a) Mg(OH)Br b) KHS c) AlPO4 d) LiHSO4
13. Kalsiy karbonat CaCO3 ning ahamiyati
a) fiziologik eritma tayyorlash b) o’g’it olish maqsadida c) qurilish binolarini bezash d) dori
14.O’zbekistonda qattiq yonilg’I ko’mir asosan qaysi xududlarda qazib olinadi
a)Sho’rtang, Muborak b) Hisor, Ustyurt, Farg’ona
c) Angren, Sharg’un, Boysun d) Xiva, Surxondaryo
15.“Qaldiroq gaz ” deb nimaga aytiladi
a) yuqori haroratda vodorod metallarni kislorod birikmalariga aytiladi
b) 2:1 hajmiy nisbatdagi vodorod va kislorod aralashmasi
c) vodorod bilan tuzsimon birilmalarga
d) vodorod va kislorodning yonishi
Nazorat ishi № – 8 Test
1. Kislorod nechanchi yilda kashf etilgan?
A) 1744-yil B) 1811-yil C) 1899-yil
2. Modda hajmining modda miqdoriga nisbati nima deyiladi?
A) massa ulushi B) molyar hajm C) molyal hajm
3.Ifloslangan osh tuzini tozalash necha bosqichli amalga oshiriladi?
A) ifloslangan osh tuzi → ifloslangan osh tuzini eritish → ifloslangan osh tuzining eritmasini filtrlash → filtratni bug’latish → toza osh tuzi
B) ifloslangan osh tuzi → ifloslangan osh tuzini konsentrlash → ifloslangan osh tuzining eritmasini filtrlash → filtratni bug’latish → toza osh tuzi
C) ifloslangan osh tuzi → ifloslangan osh tuzini konsentrlash → ifloslangan osh tuzining eritmasini filtrlash → toza osh tuzi
4. Kislorodning hajmiy ekvivalenti nechaga teng?
A) 2.33 l/mol B) 8.43 l/mol C) 5.61 l/mol
5. Marmar qaysi konlardan qazib olinadi?
A) Oqqal’a va Boybichakon B) Qoraqat va qizilqum C) Nurota va G’ozg’on
6. Bi(OH)3 ushbu modda qanday nomlanadi?
A)vismut trigidroksid B)dalomit C)vismut digidroksid
7. Ruteniy tetraoksidni formulasin toping?
8.Laboratoriyada vodorod olish uchun ishlatiladigan uskuna nomi?
A) kipp apparati B) domna pechi C) elektrolizyor
9. Atomlarni o’lchashda qanday olchovdan foydalaniladi?
A) angestrem B) metr C) milimetr
10.Massaning saqlanish qonunini dastlab ajdodlarimizdan kimlar o’rgangan?
A) At – Termiziy, Al – Farg’oniy B) Abu Rayxon Beruniy, Abu Ali Ibn Sino
C) Abdurahmon Jomiy, Najmiddin Kubro
11. Konsentrlangan eritma nima?
A)erituvchi modda miqdori yetarlicha yuqori bo’lgan eritma.
B)erigan modda miqdori yetarlicha yuqori bo’lmagan eritma.
C)erigan modda miqdori yetarlicha yuqori bo’lgan eritma.
12.Massa ulushu nima va uning formulasi?
A)erituvchi modda massasini (m1) eritma massasiga (m2) ga nisbati bo’lib, 1 dan kichik bo’ladi:
B)erigan modda massasini (m1) eritma massasiga (m2) ga nisbati bo’lib, 1 dan kichik bo’ladi:
C)erigan modda massasini (m1) erituvchi massasiga (m2) ga nisbati bo’lib, 1 dan kichik bo’ladi:
13. Kimyoviy reaksiyalarda tuz hosil qiladigan oksidlar nima deyiladi?
A) asosli B) kislotali C) amfoter
14. “Og’ir ” va “O’ta og’ir” suvni formulasini ko’rsating.
15.CO2 havoning tarkibiy qismini necha % ini tashkil qiladi?
A)21 % B)0.03 % C)0.05 %
7-sinf mavzulari bo’yicha dars ishlanmalar
7-sinf mavzulari bo’yicha dars ishlanmalar. Ushbu sahifada ingliz tili fanidan yangi darsliklar (Guess What va Prepare darsliklari) 1 soatlik namunaviy dars ishlanmalar namunalari bilan tanishishingiz mumkin.
1-CHORAK MAVZULARI
Unit 0. Get strarted
- 7-sinf Things in the classroom
- 7-sinf My bag
- 7-sinf Numbers and dates
- 7-sinf What can people do?
- 7-sinf Review
- 7-sinf Feedback
Unit 1. Sport and games
- 7-sinf Sports
- 7-sinf How often do you go snowboarding?
- 7-sinf Unusual sports
- 7-sinf Sports equipment
- 7-sinf Review
- 7-sinf Feedback Lessons
Unit 2. This is my day
- 7-sinf My morning routine
- 7-sinf What are you doing today?
- 7-sinf Tell us about your day
- 7-sinf Feel great in the morning 1
- 7-sinf Feel great in the morning 2
- 7-sinf The Paralympic Games
- 7-sinf Paralympic athletes
- 7-sinf Project
- 7-sinf Review
- 7-sinf Feedback
Unit 3 Great sounds
- 7-sinf Musical instruments
- 7-sinf I don’t like practising
2-CHORAK MAVZULARI
- 7-sinf The music business
- 7-sinf Music lessons
- 7-sinf Review
Unit 4. It was awesome!
- 7-sinf Feelings
- 7-sinf It was amazing
- 7-sinf Activity days
- 7-sinf At a party 1
- 7-sinf At a party 2
- 7-sinf Review
- 7-sinf Reaching agreement
- 7-sinf An invitation
- 7-sinf Project: planning a surprise party
- 7-sinf Review
- 7-sinf Review
- 7-sinf Review (Unit 1-4)
- 7-sinf Review (Unit 1-4)
- 7-sinf Feedback
Unit 5. Moments in history
3-CHORAK MAVZULARI
- 7-sinf Talking about the past
- 7-sinf The great fire
- 7-sinf Buildings in the city
- 7-sinf Review
- 7-sinf Feedback
Unit 6 What a great job!
- 7-sinf Jobs
- 7-sinf Daniel’s jobs
- 7-sinf Students at work
- 7-sinf At work 1
- 7-sinf At work 2
- 7-sinf Review
- 7-sinf Feedback
- 7-sinf Saturday jobs
- 7-sinf Saturday jobs
- 7-sinf Project: A job offer
Unit 7 An exciting trip
- 7-sinf Holidays
- 7-sinf Holiday conversations
- 7-sinf Crossing the world on a rickshaw
- 7-sinf Travelling
- 7-sinf Review
- 7-sinf Feedback
Unit 8 Favourite places
- 7-sinf My favourite place
- 7-sinf Someone, anyone
- 7-sinf Artist’s favourite placesy
- 7-sinf Favourite places 1
- 7-sinf Favourite places 2
- 7-sinf Physical well-being
4-CHORAK MAVZULARI
- 7-sinf Safety at home
- 7-sinf Write a leaflet
- 7-sinf Review (U5-8)
- 7-sinf Review (U5-8)
- 7-sinf Feedback7
Unit 9 Clothes and Fashion
- 7-sinf Clothing
- 7-sinf Are these yours?
- 7-sinf They’re made of… what?
- 7-sinf Materials
- 7-sinf Review
- 7-sinf Feedback
Unit 10 Buying things
- 7-sinf Shopping
- 7-sinf Quantities
- 7-sinf Two young entrepreneurs
- 7-sinf At the shopping centre
- 7-sinf At story
- 7-sinf Shopping survey 1
- 7-sinf Shopping survey 2
- 7-sinf Review
- 7-sinf Feedback Lesson
- 7-sinf Project presentations
Siz yuqoridagi tayyor mavzular bo’yicha dars ishlanma olishingiz yoki tayyor yo’q mavzularga buyurtma berishingiz mumkin. Tanlagan mavzu bo’yicha shu namunada dars ishlanma tayyorlab beramiz. Telegram orqali @hasanboy_uz adresiga yoki telegramdan +998911800985 raqamiga bog’langing. Bog’lanish faqat telegram orqali. Telefon qilinganda yoki sms yozilganda javob bermasligim ehtimoli yuqori!
Kimyo fanidan barcha sinflar uchun dars ishlanmalari to’plami (konspektlar)
Saytdagi audio, video va xujjat ko’rinishdagi ma’lumotlar o’z egalariga tegishli. Barcha fayllar va suratlar internetdagi ochiq manbalardan olingan. Ular o’z mualliflik huquqlarini saqlab qolgandirlar. Ma’lumotlar faqat tanishish maqsadida blogga qo’yilgan. Iltimos, mualliflarning mehnatini hurmat qilaylik. Agar siz saytimdagi qaysidir ma’lumotni egasi bo’lsangiz va sizning ma’lumotingiz saytimda qo’yilishini istamasangiz, iltimos darhol menga murojaat qiling: @sadikovuz (telegram) yoki uzbeknasim@yahoo.com.
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