Who was the first human space traveller?
- (A) Buzz Aldrin
- (B) Frank Borman
- (C) Yuri Gagarin
- (D) Gherman Titov
- (C) Yuri Gagarin
Which of the following is the lightest metal?
- (A) Mercury
- (B) Silver
- (C) Lithium
- (D) Lead
- (C) Lithium
Which gas is used in fire extinguishers to extinguish the fire?
- (A) Nitrogen
- (B) Neon
- (C) Carbon dioxide
- (D) Carbon monoxide
- (C) Carbon dioxide
Which of the following metals was first discovered by man?
- (A) Iron
- (B) Copper
- (C) Silver
- (D) Aluminum
- (B) Copper
Gas balloons and airships are filled with:
- (A) Helium
- (B) Hydrogen
- (C) Argon
- (D) Nitrogen
- (A) Helium
Which for mm of phosphorous is used in safety matches?
- (A) White phosphorous
- (B) Red phosphorous
- (C) Yellow phosphorous
- (D) Black phosphorous
- (B) Red phosphorous
The element common to all acids is:
- (A) Carbon
- (B) Hydrogen
- (C) Sulfur
- (D) Oxygen
- (B) Hydrogen
Which of the following is not a gland?
- (A) Stomach
- (B) Liver
- (C) Kidney
- (D) Pancreas
- (C) Kidney
Insulin is secreted by:
- (A) Spleen
- (B) Liver
- (C) Pancreas
- (D) Kidney
- (C) Pancreas
Wood is the main raw material for the manufacture of:
- (A) Paint
- (B) Paper
- (C) Ink
- (D) Gunpowder
- (B) Paper