General Science (SET-27)


General Science (SET-27)

1. The metal used in storage batterie:
a. Iron
b. Copper
c. Lead
d. Zinc

2. Water has maximum density at:
a. :4°C
b. 0°C
c. 4°C
d. 100°C

3. The chemial name of Uria is:
a. Aneurin
b. Chloroetane
c. Carbamide
d. None of these

4. Permanent hardness of water can be removed by adding:
a. Potassium Permanganate
b. Chlorine
c. Bleaching Powder
d. Washing Soda

5. The formula of Plaster of Paris is:
a. CaSO4
b. CaSO4, 2H2O
c. 2CaSO4, 4H2O
d. 2CaSO4, H2O

6. Which of the following substance is a bad conductor of electricity but a good conductor of heat?
a. Asbestos
b. Celluloid
c. Purspecks
d. Mica

7. Carborandum is:
a. Silicon Dioxide
b. Silicon Carbide
c. Silicon Nitride
d. Silicon Phosphide

8. Which of the following is the best conductor of electricity?
a. Copper
b. Mica
c. Zinc
d. Silver

9. Washing soda is the common name of:
a. Calcium Carbonate
b. Calcium Bi-Carbonate
c. Sodium Carbonate
d. Sodium Bi-Carbonate

10. The filament of electric bulb is made of:
a. Iron
b. Nichrome
c. Tungsten
d. Graphite


Answers :

  1. C
  2. C
  3. C

  4. D
  5. D
  6. D
  7. B
  8. D
  9. C
  10. C

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