Chemistry (S.S.3)
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1 / 10
Which gas is produced when a metal reacts with an acid?
2 / 10
The law that states, the mass of an element discharged during an electrolysis is directly proportional to the quantity of electricity [Q] passing through it is _______
3 / 10
In an electrochemical cell, reduction always occur ________
4 / 10
An electrolyte conducts electricity only when ________[i] molten.[ii] in solution.[iii] solid.
5 / 10
What is the pH value of a neutral substance?
6 / 10
What is the chemical symbol for iron?
7 / 10
When an atom gains an electron, it becomes
8 / 10
What is the atomic number of carbon?
9 / 10
What is the main component of natural gas?
10 / 10
Which of the following is the smallest particle that has the properties of an element?
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