In a rechargeable cell, what kind of energy is stored within the cell?
A. Kinetic energy
B. Electrical energy
C. Potential energy
D. Chemical energy
Answer
Correct Answer: D. Chemical energy
Which colour of light shows maximum deviation when fast through a prism?
A. Red
B. Yellow
C. Violet
D. Green
Answer
Correct Answer: C. Violet
The highest volume of gases in lower atmosphere is comprised of:
A. Nitrogen
B. Carbon dioxide
C. Hydrogen
D. Oxygen
Answer
Correct Answer: A. Nitrogen
Planck’s constant has the dimension of:
A. Force
B. Energy
C. Angular momentum
D. Linear momentum
Answer
Correct Answer: C. Angular momentum
Antacids are found in drugs that give relief to:
A. Acne
B. Eyesight
C. Headache
D. Stomach ache
Answer
Correct Answer: D. Stomach ache
Which of the following liquids has the least density?
A. Petrol
B. Mercury
C. Saltwater
D. Freshwater
Answer
Correct Answer: A. Petrol
The sharpness of a television is termed as its:
A. Colour
B. Clarity
C. Resolution
D. Graphics
Answer
Correct Answer: C. Resolution
Rectified Spirit is:
A. 100% Ethyl alcohol
B. 95% Ethyl alcohol
C. Tincture iodine
D. Methylated spirit
Answer
Correct Answer: B. 95% Ethyl alcohol
Detail About MCQs
Rectified spirit contains 95% ethanol with 5% water. A rectified alcohol is highly concentrated ethanol that has been purified by means of repeated distillation, a process that is called rectification. It typically contains 95% alcohol by volume and 5 % water. Normally, ethanol with 5 % water is known as pure alcohol.
Which one has the highest value of specific heat?
A. Water
B. Lead
C. Copper
D. Glass
Answer
Correct Answer: A. Water
Purity of a metal can be determined by:
A. Conservation of mass principle
B. Boyle’s law
C. Pascal’s law
D. Archimedes Principal
Answer
Correct Answer: D. Archimedes Principal