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  • RRB NTPC Exam General Awareness Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of General Awareness Chemistry for RRB NTPC Exam student. This free online General Awareness study material for RRB NTPC Exam will help students in learning and doing practice on Chemistry topic of RRB NTPC Exam General Awareness. The study material on Chemistry, help RRB NTPC Exam General Awareness students to learn every aspect of Chemistry and prepare themselves for exams by doing online test exercise for Chemistry, as their study progresses in class. Kidsfront provide unique pattern of learning General Awareness with free online comprehensive study material and loads of RRB NTPC Exam General Awareness Chemistry exercise prepared by the highly professionals team. Students can understand Chemistry concept easily and consolidate their learning by doing practice test on Chemistry regularly till they excel in General Awareness Chemistry.


Chemistry
The substance that is added to make natural rubber strong and more bouncy is

a) Polythene
b) Sponge
c) Sulphur
d) Chlorine



Answer
Solution
Correct Answer Is : Sulphur
Solution Is : The substance that is added to make natural rubber strong and more bouncy is Sulphur.
The vitamin most readily destroyed by heat is

a) Riboflavin
b) Ascorbic acid
c) Tocopherol
d) Thiamine



Answer
Solution
Correct Answer Is : Ascorbic acid
Solution Is : The vitamin most readily destroyed by heat is Ascorbic acid.
White phosphorus is always kept under

a) Benzene
b) Kerosene
c) Ether
d) Water



Answer
Solution
Correct Answer Is : Water
Solution Is : White phosphorus is always kept under water.
The colour change in the chameleon is due to the presence of

a) Haemoglobin
b) Chromatophore
c) Chlorophyll
d) Pneumatophore



Answer
Solution
Correct Answer Is : Chromatophore
Solution Is : The colour change in the chameleon is due to the presence of Chromatophore.
When a detergent is added to pure water, its surface tension

a) Increases
b) Decreases
c) Remains constant
d) Becomes infinite



Answer
Solution
Correct Answer Is : Becomes infinite
Solution Is : When a detergent is added to pure water, its surface tension decreases.
Word spirit is

a) Methyl alcohol
b) Ethyl alcohol
c) Butyl alcohol
d) Propyl alcohol



Answer
Solution
Correct Answer Is : Methyl alcohol
Solution Is : Wood spirit is methyl alcohol.
Which of the following processes is used for the production of Biodiesel ?

a) Transamination
b) Transcription
c) Transesterification
d) Translation



Answer
Solution
Correct Answer Is : Transesterification
Solution Is : Transesterification process is used for the production of Biodiesel.
One property of ammonia is

a) It is insoluable in water
b) It is a odourless gas
c) It is a yellowish gas
d) Its aqueous solution turns red litmus to blue



Answer
Solution
Correct Answer Is : Its aqueous solution turns red litmus to blue
Solution Is : Aqueous solution of Ammonia turns red litmus to blue.
Find the odd one.

a) Marble
b) Chalk
c) Limestone
d) Slaked lime



Answer
Solution
Correct Answer Is : Slaked lime
Solution Is : Marble, Chalk and Limestone are various form of Calcium carbonate but slaked lime is calcium hydroxide.
If the lime water is kept in water in the air, it turns milky due to presense of

a) Carbon dioxide
b) Nitrogen
c) Oxygen
d) Sulpher dioxide



Answer
Solution
Correct Answer Is : Carbon dioxide
Solution Is : Lime water is common name for calcium hydroxide solution Ca OH2. It turns mily when exposed to carbon dioxide (CO2)

Preparation for Exams

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