FORM 2 CHEMISTRY
Authored by caroline nyongesa
Chemistry
9th - 12th Grade
Used 28+ times
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30 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
give the name of the salt that dissolves only when hot
(a)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
why is excess calcium carbonate added to dilute nitric (V) acid during the preparation of calcium nitrate?
to ensure that all the acid has reacted
to remove exess calcium carbonate
to ensure that all the calcium carbonate has reacted
to ensure that the salt is formed faster
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
give a reason why filtration is done during preparation of salt crystals
to ensure that all the solid has reacted
to ensure that all the acid has reacted
to remove excess solid
to ensure that the salt is formed faster
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
what colour does the solution turn when sulphuric (VI) acid is added to copper (II) carbonate
clear
green
blue
purple
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
complete the equation below. metal + acid =
(a)
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
name the type of reaction that produces an insoluble salt
(a)
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
salts prepared with hydrochloric acid are called?
chlorides
Cl-
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