Related Questions

100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Rubber lined vessels are corroded by the action of
A Aqua regia
B Chloroform
C Sulphuric acid (95%)
D All of the above
e-TIN 46-(e-TIN was introduced in -)
A 2020
B 2003
C 1992
D 2013
Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower
A Price
B Corrosion resistance
C Thermal conductivity
D Abundant availability
Among the tin containing alloys, __________ consumes the maximum amount of tin.
A Solder
B White metal
C Pewter matal
D Bronzes
Find out which quotation parts of the following sentences has an error. In recent 'years', automobile emissions 'have disfigured' stone 'carvings', corroded bronze monuments, and 'soil' ancient buildings.
A years
B have disfigured
C carving
D soil
Silver gets corroded due to ________ in air.
A Oxygen
B Hydrogen Sulphide
C Carbon dioxide
D Nitrogen
Gunmetal and bronze are not corroded by the action of
A Wet chlorine
B Synthetic detergent solution
C Hydrochloric acid (10%)
D Nitric acid (
Polythene (low or high density) containers are not corroded by
A Sulphuric acid (10%) at room temperature
B Nitric acid (95%) at room temperature
C Sulphur trioxide at 60°C
D Any of these
Glass is corroded by
A Fluorine (dry or wet)
B Sulphuric acid
C Phosphoric acid
D None of these

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