Chemistry Quiz- 3 | My Online Pathshala

1. Which one among the following gases readily combines with the hemoglobin of the blood ?

(a) Methane

(b) Nitrogen dioxide

(d) Sulphur dioxide

Correct! Wrong!

Ans. : - (c)

2. lodised salt is a -

(a) mixture of potassium iodide and common salt

(b) mixture of molecular iodide and common salt

(d) compound formed by molecular iodine and common salt

Correct! Wrong!

Ans. : - (c)

3. Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is -

(a) sodium hydrogen phthalate

(b) magnesium hydroxide

(d) manganese acetate

Correct! Wrong!

Ans. : - (b)

4. Nitric oxide pollution can lead to all of the following, except -

(a) leaf spotting in plants

(b) bronchitis related respiratory problems in human

(d) silicosis in human

Correct! Wrong!

Ans. : - (d)

5. Addition of ethylene di-bromide to petrol -

(a) increases the octane number of fuel

(b) helps elimination of lead oxido

(d) serves as a substitute of tetraethyl lead

Correct! Wrong!

Ans. : - (d)

6. Which one of the following reactions is the main cause of the energy radiation from the Sun ?

(a) Fusion reaction

(b) Fission reaction

(d) Diffusion reaction

Correct! Wrong!

Ans. : - (a)

7. Which one among the following statements about an atom is not correct ?

(a) Atoms always combine to form molecules

(b) Atoms are the basic units from which molecules and ions are formed

(d) Atoms aggregate in large numbers to form the matter that we can see, feel and touch

Correct! Wrong!

Ans. : - (d)

8. The macro nutrients provided by inorganic fertilizer are -

(a) carbon, iron and boron

(b) magnesium, manganese and sulphur

(d) nitrogen, phosphorus and potassium

Correct! Wrong!

Ans. : - (b)

9. Vermicompost is an/a -

(a) inorganic fertilizer

(b) toxic substance

(d) synthetic fertilizer

Correct! Wrong!

Ans. : - (c)

10. Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit ?

(a) Acetylene

(b) Ethane

(d) Carbon dioxide

Correct! Wrong!

Ans. : - (a)

1. Which one among the following gases readily combines with the hemoglobin of the blood ?

2. lodised salt is a -

3. Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is -

4. Nitric oxide pollution can lead to all of the following, except -

5. Addition of ethylene di-bromide to petrol -

6. Which one of the following reactions is the main cause of the energy radiation from the Sun ?

7. Which one among the following statements about an atom is not correct ?

8. The macro nutrients provided by inorganic fertilizer are -

9. Vermicompost is an/a -

10. Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit ?

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