Physical & Chemical Changes Mock Tests
32 questions available
Physical & Chemical Changes Mock Test 1
Questions:
30
Physical & Chemical Changes Mock Test 2
Questions:
2
नमूना प्रश्न
When zinc reacts with dilute sulphuric acid, which gas is released?
When zinc reacts with dilute sulphuric acid, which gas is produced?
Which of the following is a reversible change?
A substance has a pH of 8. What type of substance is it?
When iron filings and sulphur powder are heated together, they form:
The process of depositing a layer of zinc on iron to prevent rusting is called:
Rusting of iron requires the presence of:
Which of the following is a chemical change?
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