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MCQ: Sufficient hemoglobin in the blood can be tested by adding a drop of
- Zinc Sulphate
- Copper Sulphate
- Magnesium Sulphate
- Potassium Sulphate
B
MCQ: What is true about orange juice?
- they are acidic
- they are alkaline
- they are neutral
- they are basic
A
MCQ: Valency of hydroxide ion (OH) is
- -1
- -2
- -3
- -4
A
MCQ: In exothermic reactions, the final energy content of products is
- lower than the energy contents of the reactants
- higher than the energy contents of the reactants
- not depend upon the energy content of the reactants
- none of above
A
MCQ: Other than being used to line the furnaces, a quality of ionic crystal structures is that they are
- conductors of heat
- conductors of electricity
- non-conductors of electricity
- non-conductors of heat
C
