Home
Current Affairs January 2024

What is the correct answer?

4

A mixture of carbon monoxide and hydrogen is

A. coal gas

B. producer gas

C. water gas

D. gobar gas

Correct Answer :

C. water gas


Related Questions

What is the correct answer?

4

Hydrogen gas has

A. a very sweet smell

B. a very pungent smell

C. an irritating smell

D. no smell at all

What is the correct answer?

4

Ascorbic acid is the chemical name for

A. Vitamin B6

B. Vitamin C

C. Vitamin K

D. Vitamin D

What is the correct answer?

4

Radium was isolated from

A. galena

B. dolomite

C. sylvine

D. pitchblende

What is the correct answer?

4

Which of the following biology laboratory?

A. Phenol

B. Benzaldehyde

C. Formaldehyde

D. Acetic acid

What is the correct answer?

4

Riboflavin deficiency causes

A. tongue inflammation

B. pellagra

C. night blindness

D. anaemia

What is the correct answer?

4

The non-metal which is electropositive is

A. chlorine

B. nitrogen

C. sulphur

D. hydrogen

What is the correct answer?

4

The earliest known acid is

A. nitric acid

B. oxalic acid

C. carbonic acid

D. acetic acid

What is the correct answer?

4

Lunar caustic is

A. calcium sulphate

B. ammonium chloride

C. caustic soda

D. silver nitrate

What is the correct answer?

4

The purest form of carbon is

A. animal charcoal

B. coal

C. wood charcoal

D. sugar charcoal

What is the correct answer?

4

Marsh gas is

A. ethane

B. ethylene

C. acetylene

D. methane

What is the correct answer?

4

A mixture of ethyl alcohol and water can be separated by

A. evaporation

B. sublimation

C. using a separating funnel

D. fractional distillation

What is the correct answer?

4

The vitamin that is found in citrus fruits such as lemon and orange is

A. vitamin C

B. vitamin B2

C. vitamin A

D. vitamin E

What is the correct answer?

4

If people sleep in closed rooms where charcoal fire is burning, they die due to

A. carbon monoxide

B. carbon dioxide

C. methane

D. phosgene

What is the correct answer?

4

The scientist associated with the discovery of the nucleus was

A. Rutherford

B. Moseley

C. Niels Bohr

D. J.J. Thomson

What is the correct answer?

4

Plaster of Paris

A. contracts while setting

B. expands while setting

C. is highly volatile

D. does not suffer any changes in volume while setting

What is the correct answer?

4

The raw materials used in the manufacture of cement are

A. brimstone and silica

B. limestone and clay

C. brimstone and clay

D. brimstone and limestone

What is the correct answer?

4

The compound used in photography is

A. ammonium dichromate

B. copper Sulphate

C. magnesium Sulphate

D. sodium thiosulphate

What is the correct answer?

4

Which one of the following is not radioactive?

A. Astatine

B. Francium

C. Tritium

D. Zirconium

What is the correct answer?

4

Which of the following is used as a food preservative?

A. phenol

B. washing soda

C. absolute alcohol

D. vinegar

What is the correct answer?

4

The function of nitrogen in air is

A. to make air a moderate supporter of combustion

B. to maintain the density of air constant

C. to prevent the hydrogen in air from exploding

D. to reduce the poisonous nature of ozone in air

What is the correct answer?

4

One of the ingredients of the paste on the side of a match box is

A. phosphorus pentaoxide

B. phosphorus trichloride

C. phosphorus trisulphide

D. phosphorus trioxide

What is the correct answer?

4

An example of stimulant fertilizer is

A. gypsum

B. urea

C. potassium nitrate

D. ammonium phosphate

What is the correct answer?

4

The kinetic energy of gas molecules

A. is unaffected by temperature variations

B. decreases with increase of temperature

C. increases with decrease of temperature

D. increases with increase of temperature

What is the correct answer?

4

Gold dissolves in aqua regia due to the formation of

A. chloro auric acid

B. auric chloride

C. gold nitrate

D. aurous chloride

What is the correct answer?

4

Which one of the following metals is used to extract another metal?

A. Lead

B. Tin

C. Zinc

D. Aluminium

What is the correct answer?

4

Which of the following is a halogen?

A. Radon

B. Astatine

C. Cesium

D. Ruthenium

What is the correct answer?

4

An element which is preserved under water is

A. Sodium

B. red phosphorus

C. white phosphorus

D. sulphur

What is the correct answer?

4

Which of the following process involves removal of the elements of water?

A. Hydrolysis

B. Hydrogenation

C. Dehydration

D. Dehydrogenation

What is the correct answer?

4

Which one of the following is used in dry cleaning of garments?

A. asphalt

B. naphtha

C. diesel oil

D. lubricating oil

What is the correct answer?

4

The malarial parasite was discovered by

A. Sir Ronald Ross

B. Sir Francis Haig

C. Dr Jagadish Chandra Bose

D. Sir CV Raman