General Science - Chemistry

1. Which of the following are the most and the least electronegative elements in the periodic table?
[A] Fluorine and Caesium
[B] Hydrogen and Helium
[C] Carbon and Oxygen
[D] Chlorine and Fluorine

Show Answer

2. Which of the following is the essential element for batteries used in electric cars?
[A] Magnesium
[B] Lithium
[C] Sodium
[D] Bromine

Show Answer

3. Which among the following is a Noble Gas? 
[A] Nitrogen
[B] Hydrogen
[C] Oxygen
[D] Helium

Show Answer

4. Which among the following is responsible for depletion of Ozone? 
[A] Carbon monoxide
[B] Carbon dioxide
[C] Chlorofluoro carbon
[D] Mercuric oxide

Show Answer

5. Which among the following are constituents of Brass? 
[A] Zinc and Copper
[B] Iron and Zinc
[C] Copper and Nickel
[D] Iron and Copper

Show Answer

6. Identify the non-metallic mineral from the given options: 
[A] Manganese
[B] Magnesium
[C] Silica
[D] Bauxite

Show Answer

7. The aqueous solution of which among the following acids is called Vinegar? 
[A] Oxalic acid
[B] Citric acid
[C] Acetic acid
[D] Hydrochloric acid

Show Answer

8. Which among the following chemicals is used in Photography?
[A] Silver Bromide
[B] Potassium Chloride
[C] Sodium Bromide
[D] Magnesium Chloride

Show Answer

9. When Sulphur is heated with rubber, the process is commonly known as ?
[A] Galvanization
[B] Sulphonation
[C] Vulcanization
[D] Hydrodesulfurization

Show Answer

10. Which of the following type of Coal, has maximum carbon content?
[A] Peat
[B] Lignite
[C] Antharacite
[D] Bituminious

Show Answer

Advertisement

Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...