Carbon Silicon and Their Compounds - 3

Carbon Silicon and Their Compounds - 3

1. Silicon is

a) White solid b) Brown solid

c) Shiny silvery solid d) Coloured solid

2. Silicones are made up of long chains of silicon and

a) Oxygen b) Phosphorous

c) Nitrogen d) Halogens

3. Silicon is not present in

a) Silicates b) Quartz

c) Sand d) Lime stone

4. In limited supply of air carbon black is obtained by burning

a) Carbon dioxide b) Natural gas

c) Carbon monoxide d) Natural oil

5. Carbon monoxide is used for

a) Extraction of metals from ores b) Oxidation of metals

c) Protection of metals d) Preparation of metals

6. Matching Items: Click the correct match for .... Allotropy

a) Coal b) Kaolin, mica

c) In making lenses for eye glasses d) Property to exist in more than one crystalline form

7. Matching Items: Click the correct match for .... Amorphous form of carbon

a) Coal b) In making lenses for eye glasses

c) Kaolin, mica d) Quartz

8. Matching Items: Click the correct match for .... Crystalline form of carbon

a) Inks and paints b) Diamond

c) Coal d) Kaolin, mica

9. Matching Items: Click the correct match for .... Crystalline form of silicon dioxide

a) Diamond b) Kaolin, mica

c) Inks and paints d) Quartz

10. Matching Items: Click the correct match for .... Fused silica

a) In making lenses for eye glasses b) Diamond
c) Inks and paints d) Kaolin, mica

11. Matching Items: Click the correct match for .... Carbon black
S

a) Kaolin, mica b) Inks and paints

c) Quartz d) Diamond

12. Matching Items: Click the correct match for .... Cilicate Minerals

a) Kaolin, mica b) Inks and paints

c) Diamond d) Quartz

13. Matching Items: Click the correct match for .... Sodium Silicates

a) Kaolin, mica b) Obtained from minerals

c) Fire proofing wood d) Carbon dioxide

14. Matching Items: Click the correct match for .... Organic compounds

a) Fire proofing wood b) Kaolin, mica

c) Obtained from animals and plants origin d) Obtained from minerals

15. Matching Items: Click the correct match for .... Dry ice

a) Carbon dioxide b) Obtained from minerals

c) Kaolin, mica d) Fire proofing wood

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