TET-Ctet-Chemistry-set-97

Chemistry MCQs for all Competitive Exams SET-97
Psychology Multiple Choice Questions

Chemistry Multiple Choice Questions(MCQ)
रसायन विज्ञान बहुविकल्पीय प्रश्न

Welcome to our exclusive collections of chemistry multiple choice questions with answers. All questions are of multiple choice type.In these MCQs sets we are going to share most important questions related to chemistry. These questions are very helpful for those candidates and aspirants who are preparing for the various government and non government exam as well as in interview.
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Chemistry MCQs for all Competitive Exams SET-97
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question: 1

Scuba divers are at high risk due to high concentration of dissolved gases while breathing air at high pressure under water. The tanks used by Scuba divers are filled with

[A].   air diluted with helium
[B].   2
[C].   N2
[D].   a mixture of nitrogen and helium


Question: 2

One of the occupational health hazards commonly faced by the workers of ceramic, pottery or glass industries is

[A].   stone formation in gall bladder
[B].   melanoma
[C].   stone formation in kidney
[D].   silicosis


Question: 3

Which one among the following is not a greenhouse gas?.

[A].   Methane
[B].   Hydrogen
[C].   Carbon Dioxide
[D].   Nitrous Oxide


Question: 4

Which one of the following is correct? Setting of plaster of Paris is “

[A].   dehydration
[B].   oxidation with atmospheric oxygen
[C].   hydration leading to another hydrate
[D].   combination with atmospheric carbon dioxide


Question: 5

Milk, Mayonnaise are the examples of

[A].   sol
[B].   gel
[C].   emulsion
[D].   foam


Question: 6

What is the purpose of adding baking soda to dough?.

[A].   To generate moisture
[B].   To give a good flavour
[C].   To give a good colour
[D].   To generate carbon dioxid


Question: 7

Which one of the following reactions is responsible for the transformation of inexpensive liquid vegetable fats into commercially important solid fats (e.g. ghee)?

[A].   Hydrogenation
[B].   Oxidation
[C].   Halogenation
[D].   Saponification


Question: 8

‘Freon’ used as refrigerants is chemically known as

[A].   fluorinated aromatic compound
[B].   fluorinated hydrocarbon
[C].   chlorinated hydrocarbon
[D].   chlorofluoro hydrocarbon


Question: 9

Which one of the following glasses form the basis of re writable CD and DVD solid-state memory technology?

[A].   Recycled glass
[B].   Borosilicate glasses
[C].   Chalcogenide glasses
[D].   Pyrex glasses


Question: 10

Carbonated beverages such as soft drinks and soda water contains mainly

[A].   carbon dioxide
[B].   calcium carbonate
[C].   calcium hydroxide
[D].   potassium carbonate





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