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Освоени бодови_____________
Оценка___________________ Наставник________________
Име и презиме:_________________________Одд:_____
Контролен тест 3
Хемиски реакции
Внимателно прочитај, добро размисли , а потоа одговори!
1. Поплни ја табелата ! 6/
2. Кои супстанци се реактанти а кои продукти во реакцијата меѓу железни струганици и
сулфур во прав? Запиши ја равенката на реакцијата со зборови? 4/
• Равенка на реакција_________________________________________________
• Реактанти се_______________________________________________________
• Продукти се________________________________________________________
3. Наброј ги знаците за хемиска промена! 1/
________________________________________________________________________
4. На кој начин можеш да дсокажеш дека како продукт си добил јаглерод диоксид? 4/
Објасни!
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
5. Колку изнесува масата на добиениот продукт кога 9 g сулфур во целост ќе изреагираат 1/
со 17g железо?
А) 9g Б) 17g В)21g Г) 26g
6. Запиши равенка на реакција на согорување на бакар (со зборови)! Од кој тип на
соединенија е добиениот продукт? 3/
7. Запиши општа равенка и равенка со зборови за реакција на натриум со вода! 4/
0 - 14 15-21 22-28 29-35 36-41
Вид на промена хемиска физичка
Замрзнување месо
`рѓосување на железо


Печење торта
Капки вода на прозорец
8. Кои од наведениве хидроксиди се растворливи? 1/
А) NaOH Б) Zn(OH)2 В)Al(OH)3 Г) Cu(OH)2
9. Поплни ја табелата: 6/
Име на киселина
Формула на
киселина
Име на образувана
сол
сулфурна
HCl
нитрати
10.Дополни ги следниве текстуални равенки! 6/
А) Бакар оксид + ___________ бакар сулфат +___________
Б) Натриум__________ + Калиум нитрат _________хидроксид + ___________
В) ___________ + азотна киселина цинк_____________ + водород
11.На празното место под сликите запиши го значењето на знаците за предупредување 1 /
_____________ __________ __________
12.Бојата на лакмусот во кисела средина е ___________, а додека во базна________ 1/
13.Според дадента табела одговори на барањата ! 3/
А) Кисели се растворите ____________
Б) Базни се растворите ____________
В Неутрални се растворите______________
14.Наброј ги 3 најчесто користените киселини во лабороториите! 1/
____________________________________________________________________________
Раствор pH-вредност
A 3
Б 9
В 7
Г 6

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HEM-8-II.10.2-TEST2-Cas-za-utvrduvanje-na-materijata.doc.pdf

  • 1. Освоени бодови_____________ Оценка___________________ Наставник________________ Име и презиме:_________________________Одд:_____ Контролен тест 3 Хемиски реакции Внимателно прочитај, добро размисли , а потоа одговори! 1. Поплни ја табелата ! 6/ 2. Кои супстанци се реактанти а кои продукти во реакцијата меѓу железни струганици и сулфур во прав? Запиши ја равенката на реакцијата со зборови? 4/ • Равенка на реакција_________________________________________________ • Реактанти се_______________________________________________________ • Продукти се________________________________________________________ 3. Наброј ги знаците за хемиска промена! 1/ ________________________________________________________________________ 4. На кој начин можеш да дсокажеш дека како продукт си добил јаглерод диоксид? 4/ Објасни! _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 5. Колку изнесува масата на добиениот продукт кога 9 g сулфур во целост ќе изреагираат 1/ со 17g железо? А) 9g Б) 17g В)21g Г) 26g 6. Запиши равенка на реакција на согорување на бакар (со зборови)! Од кој тип на соединенија е добиениот продукт? 3/ 7. Запиши општа равенка и равенка со зборови за реакција на натриум со вода! 4/ 0 - 14 15-21 22-28 29-35 36-41 Вид на промена хемиска физичка Замрзнување месо `рѓосување на железо   Печење торта Капки вода на прозорец
  • 2. 8. Кои од наведениве хидроксиди се растворливи? 1/ А) NaOH Б) Zn(OH)2 В)Al(OH)3 Г) Cu(OH)2 9. Поплни ја табелата: 6/ Име на киселина Формула на киселина Име на образувана сол сулфурна HCl нитрати 10.Дополни ги следниве текстуални равенки! 6/ А) Бакар оксид + ___________ бакар сулфат +___________ Б) Натриум__________ + Калиум нитрат _________хидроксид + ___________ В) ___________ + азотна киселина цинк_____________ + водород 11.На празното место под сликите запиши го значењето на знаците за предупредување 1 / _____________ __________ __________ 12.Бојата на лакмусот во кисела средина е ___________, а додека во базна________ 1/ 13.Според дадента табела одговори на барањата ! 3/ А) Кисели се растворите ____________ Б) Базни се растворите ____________ В Неутрални се растворите______________ 14.Наброј ги 3 најчесто користените киселини во лабороториите! 1/ ____________________________________________________________________________ Раствор pH-вредност A 3 Б 9 В 7 Г 6