1
The pH of acid rain is usually:
2
Smog is a mixture of:
3
The pH value of a neutral solution is:
4
Enzymes speed up reactions by:
5
A catalyst at equilibrium:
6
Which polymer is used in making tyres?
7
Which process releases energy from food?
8
Which polymer is commonly used in furniture coating?
9
Which biomolecule is the main source of energy for the body?
10
Which nutrient helps in absorption of fat-soluble vitamins?
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