The weight of an object would be minimum when it is placed:
- (A) At the South Pole
- (B) At the North Pole
- (C) At the center of the earth
- (D) At the equator
- (C) At the center of the earth
Which part of human body is like a computer?
- (A) Heart
- (B) Brain
- (C) Liver
- (D) Eyes
- (B) Brain
Galvanized iron sheets have a coating of:
- (A) Lead
- (B) Tine
- (C) Zinc
- (D) Chromium
- (C) Zinc
Which gas is used to kill bacteria in water?
- (A) Hydrogen
- (B) Sulphur
- (C) Chlorine
- (D) Nitrogen
- (C) Chlorine
Which chemical in tobacco causes a smoker to be addicted for smoking?
- (A) Tar
- (B) Ammonia
- (C) Nicotine
- (D) Carbon dioxide
- (C) Nicotine
Which material is used in making of computer chips?
- (A) Copper
- (B) Silicon
- (C) Steel
- (D) Fiber glass
- (B) Silicon
Non-stick cooking utensils are coated with:
- (A) PVC
- (B) Black paint
- (C) Teflon
- (D) Polystyrene
- (C) Teflon
Which remains liquid at room temperature?
- (A) Helium
- (B) Bromine
- (C) Chlorine
- (D) Phosphorous
- (B) Bromine
Which of the following is in liquid form at just above the room temperature?
- (A) Lithium
- (B) Sodium
- (C) Francium
- (D) Cerium
- (C) Francium
Which was discovered first in the chromospheres of the sun?
- (A) Neon
- (B) Krypton
- (C) Helium
- (D) Xenon
- (C) Helium
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