Ibps online test

TNPSC online test

Ibps online test & Tnpsc online test

1. Chlorophyll is a naturally occurring chelate compound in which central metal is
A. copper B. iron
C. calcium D. magnesium
2. Which of the following metals forms an amalgam with other metals?
A. Tin B. Mercury
C. Zinc D. Lead
3. Bromine is a
A. black solid B. red liquid
C. colourless gas D. highly inflammable gas
4. Tetraethyl lead is used as
A. pain killer B. fire extinguisher
C. mosquito repellent D. petrol additive
5. The group of metals Fe, Co, Ni may best called as
A. transition metals B. main group metals
C. alkali metals D. rare metals
6. Heavy water is
A. deuterium oxide B. PH7
C. rain water D. tritium oxide
7. Potassium nitrate is used in
A. medicine B. fertiliser
C. salt D. glass
8. Soda water contains
A. carbonic acid B. sulphuric acid
C. carbon dioxide D. nitrous acid
9. Most soluble in water is
A. camphor B. sulphur
C. common salt D. Sugar
10. What is laughing gas?
A. Carbon monoxide B. Nitrous Oxide
C. Sulphur dioxide D. Hydrogen peroxide
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Date published: 01/01/2015
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