TET-Ctet-Chemistry-set-87

Chemistry MCQs for all Competitive Exams SET-87
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-87
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question: 1

Which one among the following statement about an atom is not correct?

[A].   Atoms always combine to form molecule
[B].   Atoms are the basic units from which molecules and ions are formed
[C].   Atoms are always neutral in nature
[D].   Atoms aggregate in large numbers to from the matter that we can see, feel and touch


Question: 2

An alloy used in making heating elements for electric heating devices is

[A].   solder
[B].   alloy steel
[C].   nichrome
[D].   German silver


Question: 3

Making of chappathi is based on

[A].   Graham’s law
[B].   Henry’s law
[C].   Charles’ law
[D].   Boyle’s law


Question: 4

The number of spectral lines when electron jumps from 5th energy level to 2nd energy level state will be

[A].   5
[B].   10
[C].   6
[D].   15


Question: 5

The pungent smell of garlic is due to

[A].   a phosphate compound
[B].   a nitrate compound
[C].   a sulphur compound
[D].   a chlorine compound


Question: 6

The hair dye available in the market contains two bottles, one containing dye and other containing hydrogen peroxide. The bottles are mixed before applying the dye. The function of hydrogen peroxide is

[A].   to dilute the dye
[B].   to oxidise the dye to give desired colour
[C].   to reduce the dye to give desired colour
[D].   to acidify the dye solution


Question: 7

Which one of the following is used to measure the performance of a motor or gasoline, an aviation fuel?

[A].   Iodine number
[B].   Octane number
[C].   Both [A] and [b]
[D].   Neither [A] and [b]


Question: 8

At the very low temperature, ice forms

[A].   tetrahedral crystal
[B].   cubic crystal
[C].   hexagonal crystal
[D].   None of the above


Question: 9

The light emitted by firefly is due to

[A].   a radioactive substance
[B].   chemiluminiscence process
[C].   a photoelectric process
[D].   burning of phosphorus


Question: 10

Diamond is an allotropic form of

[A].   silicon
[B].   carbon
[C].   sulphur
[D].   germanium





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