Category : 10th Grade

Atom and Molecules Science Trivia Quiz For 10th Grade Students

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Questions & Options


1. The number of a hydrogen atom in 3 molecules of ammonia will be....

76612 3
76613 4
76614 9
76615 None of these

2. Atomicity of HCI is.....

76616 1
76617 2
76618 3
76619 4

3. The combining capacity of an element is called....

76620 Atomicity
76621 Chemical reaction
76622 Valency
76623 None of these

4. The chemical name of ZnS is .....

76624 Zinc sulphide
76625 Zinc sulphate
76626 Zinc sulphite
76627 None of these

5. Atomic theory was proposed by.....

76628 Lavoisier
76629 Avogadro
76630 Dalton
76631 Proust

6. According to maharishi kanad, the matter is composed of indivisible particles called....

76632 Padarth
76633 Parmanu
76634 Both of these
76635 None of these

7. The molecular mass of CO will be....

76636 20 u
76637 44 u
76638 14 u
76639 None of these

8. The number of moles present in 46g of sodium is....

76640 1 mole
76641 2 mole
76642 4 mole
76643 None of these

9. The molecular weight of 0.5 moles of sodium sulphate is....

76644 35.5 g
76645 142 g
76646 72 g
76647 71 g

10. What do the symbol 20 stands for...

76648 Two oxygen molecules
76649 Two oxygen atom
76650 One oxygen molecule
76651 One oxygen atom
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