EVERYDAY SCIENCE MCQS QUIZ.4

EVERYDAY SCIENCE MCQS QUIZ.4

1. Which of the following is not an allotrope of Carbon?

a.     Diamond

b.     Graphite

c.      Fullerenes

d.    Glass

2. What is the formula of Sulfuric acid?

a.     H 2 SO 4

b.     SO 2

c.      Na 2 SO 4

d.     K 2 SO 4

3. How are the following elements arranged in the Periodic table?

a.     H, He, Li, Be and B

b.     H, Li, He, Be and B

c.      H, He, Be, Li and B

d.     H, Be, He, B and Li

4. What is the number of periods in which Periodic table is divided?

a.     6

b.    7

c.      8

d.     9

5. There are ___ Groups in the Periodic table.

a.     18

b.     17

c.      16

d.     15

6. Which one of the following is not an element of Noble gases?

a.     Helium

b.     Neon

c.      Xenon

d.    Hydrogen

7. Mole is defined as the number of atoms found in _____ of carbon-12?

a.     11 grams

b.     14 grams

c.      10 grams

d.    12 grams

8. Which of the following is not a mixture?

a.     Steel

b.     Aluminum

c.      Graphite

d.     Glass

9. Alloys are _______________

a.     Harder than the pure metal

b.     Harder than the impure metal

c.      Softer than the pure metal

d.     Softer than the impure metal

10. What is the name of that process in which oxygen is removed?

a.     Oxidation

b.     Electrolysis

c.      Ionization

d.    Reduction

11. Rusting is an ___________ reaction.

a.     Ionization

b.    Oxidation

c.      Reduction

d.     None of the above

12. What is needed for rusting to occur?

a.     Water

b.     Oxygen

c.      Water and Oxygen

d.     Carbon dioxide

13. All acids are ________________

a.     Corrosive when they are strong

b.     Corrosive when they are weak

c.      Irritant when they are strong

d.     None of the above

14. When an acid reacts with a metal carbonate, the products formed are:

a.     Salt, Water and Carbon dioxide

b.     Salt and Water

c.      Water and Carbon dioxide

d.     Salt and Carbon dioxide

15. Which one is an alkaline among the following?

a.     Vinegar

b.     Saliva

c.      Ammonia

d.     Acid rain

16. In Periodic table elements are arranged according to their ___________

a.     Mass number

b.     Atomic and Mass number

c.      Atomic number

d.     None of the above

17. What is an Isotope?

a.     Atoms of an element having different mass number

b.     Atoms of an element having same mass number

c.      Atoms of an element having different atomic number

d.     Atoms of an element having same atomic number

18. Atomic number is represented by which letter?

a.     A

b.     M

c.      X

d.    Z

19. Which science is sometimes called ‗central science‘?

a.     Physics

b.    Chemistry

c.      Biology

d.     Geology

20. Which acid is used in the body to help digestion?

a.     Hydrochloric Acid

b.     Sulphuric Acid

c.      Acetic Acid

d.     Boric Acid

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