Chemistry interview questions

An equeous solution of Borax is

1. Alkalene
2. Acidic
3. Corrosive
4. Neutral

The molasses (sugar gravey) is an excellent example of

1. Urea
2. Power alcohol
3. Glycerine
4. Acetic acid

The element nickel is a

1. Complex element
2. Non magnetic metal
3. Magnetic metal
4. Radioactive metal

Paper is manufactured by

1. Wood, calcium, hydrogen sulphate and resin
2. Wood and bleaching powder
3. Wood, sodium and bleaching powder
4. Wood and resin

The water hydrolysis of oil by the alkalies is called

1. Acetylisation
2. Soapification
3. Polymerization
4. Esterification

Which among the following is a solid non-metal?

1. Iodine
2. Water
3. Mercury
4. Chlorine

Which of the following is used in dry cleaning

1. Hydroxic benzene
2. Chloro benzene
3. Benzene
4. Nitrobenzene

A metal which is extracted by thermal reduction is

1. Calcium
2. Mercury
3. Aluminium
4. Nickel

Which one of the following is used as a mordant in dying and tanning industry?

1. Magnesium sulphate
2. Magnesium chloride
3. Magnesium carbonate
4. Magnesium oxide

Which one of the following is not biodegradable?

1. Jute basket
2. Leather bag
3. Woolen mat
4. Silver Foil

Soda water contains

1. Nitrous acid
2. Carbon dioxide
3. Carbonic acid
4. Sulphuric acid

Which of the following is used as a coolant in nuclear reactors?

1. Graphite
2. Liquid sodium
3. Cadmium
4. Heavy water

Which one of the following is not radioactive?

1. Astatine
2. Zirconium
3. Tritium
4. Francium

Which of the following is a non-metal that remains liquid at room-temperature?

1. Phosphorus
2. Helium
3. Chlorine
4. Bromine

Which of the following is to be found in the tomato sauce?

1. Acetic acid
2. Oxalic acid
3. Lactic acid
4. Citric acid

When acetone is reduced with zinc amalgam and HCL, it gives

1. Propane
2. Propan-1-ol
3. Propan-2-ol
4. Propan-2-al

A device used for the measurement of radioactivity is

1. G.M. counter
2. Nuclear reactor
3. Cyclotron
4. Mass spectrometer

Sulphur reacts with sodium hydroxide to form

1. Sodium sulphite
2. Sodium thiosulphate
3. Sodium sulphide
4. Sodium sulphate

Which of the following valency is not exhibited by sulphur?

1. 2
2. 3
3. 4
4. 6

The percentage of gold in 18 carats gold is

1. 25%
2. 75%
3. 91.6%
4. 100%

The alloy used in making space satellites is

1. Bronze
2. Magnalium
3. Duralumin
4. Aluminium bronze

The lustrous non metal is

1. Boron
2. Phosphorus
3. Iodine
4. Sulphur

Name the chemical reagent to which glass does not have resistance.

1. Hydroiodic acid
2. Hydrobromic acid
3. Hydrofluoric acid
4. Hydrochloric acid

Concentrated solution of sodium chloride is called

1. Mineral water
2. Brine
3. Saline water
4. Sterilized water

Which one of the following fertilizers has more nitrogen content?

1. Ammonium Phosphate 
2. Potassium Nitrate
3. Ammonium Nitrate
4. Urea

Number of electrons in sodium ion is

1. 8
2. 10
3. 11
4. 12

Which of the following is not known as green house gas?

1. Hydrogen
2. Carbon dioxide
3. Nitrous oxide
4. Methane

Penumbra is formed due to ___

1. source of light
2. a point source of light
3. an extended source of light
4. a source of sound

 ‘IC chips’ for computers are usually made of

1. Chromium
2. Lead
3. Gold
4. Silicon

The substance which is frequently used in the photography is

1. Citric acid
2. Sulphuric acid
3. Silver nitrate
4. Silver bromide