General Science Mcqs-21

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Bleaching action of chlorine is by________?

A. Oxidation
B. Reduction
C. Decomposition
D. Hydrolysis

Bleaching powder contains___________?

A. Nitrogen
B. Iodine
C. Chlorine
D. Bromine

Which one of the following gases is readily soluble in water at room temperature?

A. Chlorine
B. Nitrogen
C. Ammonia
D. Carbon dioxide

Radon is___________?

A. german radio
B. radioactive gas
C. artificial fibre
D. an explosive

Which of the following is the most toxic gas?

A. Carbon dioxide
B. Carbon monoxide
C. Nitrogen
D. Hydrogen

The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?

A. Chemotherapy
B. Radiation
C. Surgery
D. Immunotherapy

Air Conditioning Controls:___________?

A. Circulation of the Air
B. Humidity
C. Temperature
D. All of The Above

Earth rotates the sun in___________?

A. 23 hours 56 min 4 sec
B. 24 hours
C. 23 hours 57 min 9 sec
D. None of above

Who created the periodic table

A. Faraday
B. Lavoisier
C. Arrhenius
D. Mendeleev

Bauxite is an ore of_________?

A. copper
B. zinc
C. aluminium
D. iron

Ruby is an oxide of__________?

A. silver
B. gold
C. platinum
D. aluminium oxide

Who created the periodic table?,Which one of the following gases is readily soluble in water at room temperature?,Bauxite is an ore of?,Bleaching powder contains?,Bleaching action of chlorine is by?The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?