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A. 20 carat
B. 17 carat
C. 24 carat
D. 36 carat
Answer
Answer
C. 24 carat
Submitted by: Toheed Ahmed
Earth’s crust have the abundant reserves of
A. Iron, silicon and nitrogen
B. Silicon, oxygen and aluminium
C. Iron, silicon and oxygen
D. Silicon, nitrogen and aluminium
Answer
Answer
B. Silicon, oxygen and aluminium
Submitted by: Toheed Ahmed
Which of the following is used in fire extinguishers?
A. Carbon dioxide
B. Mixture of the gases
C. Carbon monoxide
D. Carbon sulphite
Answer
Answer
A. Carbon dioxide
Submitted by: Toheed Ahmed
Fluorescent tubes are fitted with a choke. The choke coil
A. Steps up the line voltage
B. Steps down the line voltage
C. Chokes low frequency currents
D. Reduces current in the circuit
Answer
Answer
D. Reduces current in the circuit
Submitted by: Toheed Ahmed
A small pouch containing silica gel is often found in bottles of medicine in tablet or powder form because silica gel
A. Kills bacteria
B. Kills germs and spores
C. Absorbs all gases present inside the bottle
D. Reduces current in the circuit
Answer
Answer
D. Reduces current in the circuit
Submitted by: Toheed Ahmed
Which one of the following does a T.V remote control unit use to operate a TV set?
A. Microwaves
B. Radio waves
C. Light waves
D. Sound waves
Answer
Answer
A. Microwaves
Submitted by: Toheed Ahmed
Soft drinks such as colas contain significant quantities of
A. Nicotine
B. Tannin
C. Renin
D. Caffeine
Answer
Answer
D. Caffeine
Submitted by: Toheed Ahmed
The blood glucose level is commonly expressed as
A. Milligram per decilitre
B. Millimeter of Hg
C. Parts per million
D. Grammes per litre
Answer
Answer
A. Milligram per decilitre
Submitted by: Toheed Ahmed
Most of the explosions in mines occur due to the mixing of
A. Hydrogen with oxygen
B. Methane with air
C. Oxygen with actylene
D. Carbon dioxide with ethane
Answer
Answer
B. Methane with air
Submitted by: Toheed Ahmed
The ‘stones’ formed in human kidney consist mostly of
A. Sodium acetate
B. Calcium oxalate
C. Magnesium sulphate
D. Calcium
Answer
Answer
B. Calcium oxalate
Submitted by: Toheed Ahmed