Atom and Molecules Science Trivia Quiz For 10th Grade Students

Questions : 10 | Total Attempts: 672 | Recent Updated: 03-May-2020

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The basic building block of any matter is an atom. Atom is the smallest constituent unit of matter that posses the properties of the chemical element.So take this quiz on atoms and molecules and increase your knowledge about it

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

A. 3

B. 4

C. 9

D. None of these

2. Atomicity of HCI is.....

A. 1

B. 2

C. 3

D. 4

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

A. Atomicity

B. Chemical reaction

C. Valency

D. None of these

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

A. Zinc sulphide

B. Zinc sulphate

C. Zinc sulphite

D. None of these

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

A. Lavoisier

B. Avogadro

C. Dalton

D. Proust

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

A. Padarth

B. Parmanu

C. Both of these

D. None of these

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

A. 20 u

B. 44 u

C. 14 u

D. None of these

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

A. 1 mole

B. 2 mole

C. 4 mole

D. None of these

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

A. 35.5 g

B. 142 g

C. 72 g

D. 71 g

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

A. Two oxygen molecules

B. Two oxygen atom

C. One oxygen molecule

D. One oxygen atom

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Atom and Molecules Science Trivia Quiz For 10th Grade Students

Questions Excerpt

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