Chemistry Quiz for SSC

Dear SSC Aspirants, Practice Chemistry Quiz for SSC CGL 2016.

 

1. The most electropositive elements among the following is :
1.Cs
2.Ca
3.Na
4.Br
2. Which one is an organic Acid ?
1.Sulphuric
2.Citric
3.Nitric
4.Phosphoric

3) The element present in the largest amount in rocks and minerals is
1. carbon
2. silicon
3. hydrogen
4. aluminium

4)An alloy used in making heating elements for electric heating devices is
1. solder
2. alloy steel
3. nichrome
4. German silver

5) German silver is an alloy of
1. copper, nickel and silver
2. silver, copper and aluminium
3. zinc, copper and nickel
4. silver, zinc and copper

6. All noble gases are ?
1.colourless
2.colourless
3.colourless and odourless
4.colourless and but have odour

7. Acid rain is due to air pollution by ?
1. Carbon dioxide
2. Carbon monoxide
3. Methane
4. Nitrous oxide and Sulphur dioxide

8. Acids taste
1. Sour
2. Sweet
3. May be both
4. None of both

9. The hydronium ion is
1. H+
2. HO -
3. H2+
4. H3O+

10. The most electropositive elements among the following is
1. Na
2. Ca
3. K
4. Cs

Answers
1-1
2-2
3-2
4-3
5-3
6-3
7-4
8-1
9-4
10-4