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Explore popular questions from Chemistry in Everyday Life for JEE Main. This collection covers Chemistry in Everyday Life previous year JEE Main questions hand picked by experienced teachers.

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Chemistry in Everyday Life

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Q 1. Which of the following could act as a propellant for rockets?

A

Liquid hydrogen {tex} + {/tex} liquid nitrogen

B

Liquid oxygen {tex} + {/tex} liquid argon

Liquid hydrogen {tex} + {/tex} liquid oxygen

D

Liquid nitrogen {tex} + {/tex} liquid oxygen.

Explanation


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Q 2. The compound formed on heating chlorobenzene with chloral in the presence of concentrated sulphuric acid is

A

gammexene

DDT

C

freon

D

hexachloroethane.

Explanation



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Q 3. The smog is essentially caused by the presence of

A

{tex} \mathrm { O } _ { 2 } {/tex} and {tex} \mathrm { O } _ { 3 } {/tex}

B

{tex} \mathrm { O } _ { 2 } {/tex} and {tex} \mathrm { N } _ { 2 } {/tex}

oxides of sulphur and nitrogen

D

{tex} \mathrm { O } _ { 3 } {/tex} and {tex} \mathrm { N } _ { 2 } {/tex}

Explanation


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Q 4. Which one of the following types of drugs reduces fever?

A

Analgesic

Antipyretic

C

Antibiotic

D

Tranquiliser

Explanation


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Q 5. The compound is used as

A

antiseptic

B

antibiotic

analgesic

D

pesticide.

Explanation


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Q 6. Which of the following is a natural dye

A

Martius yellow

Alizarin

C

Phenolphthalein

D

Orange {tex}l{/tex}

Explanation

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Q 7. Which of the following represents a biliquid propellant

A

Nitroglycerine {tex} + {/tex} nitrocellulose

B

{tex} N _ { 2 } O _ { 4 } + {/tex} acrylic rubber

{tex} N _ { 2 } O _ { 4 } + {/tex} unsymmetrical dimethyl hydrazene

D

None of these

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Q 8. Which statement is false

A

Some disinfectants can be used antiseptics at low concentration

B

Sulphadiazine is a synthetic antibacterial

Ampicillin is a natural antibiotic

D

Aspirin is analgesic and antipyratic both

Explanation

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Q 9. Identify the wrong statement regarding alizarin

A

Alizarin was extracted from the roots of the madder plant

B

It's chemical name is {tex} 1,2 {/tex} -dihydroxy anthraquinone

C

It is fixed to fabrics by using mordants like aluminium sulphate giving fast red colour

It has red crystal soluble in alkalies and the solution imparts red colour to fabrics

Explanation

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Q 10. Chloramphenicol is used in the treatment of which of the following

A

Typhoid

B

Pneumonia

C

Headache and fever

Both A and B

Explanation


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Q 11. Which of the following can possibly be used as analgesic without causing addiction and any modification

A

Morphine

B

N-acetylparaminophenol

Diazepam

D

Tetra hydrocatenol

Explanation

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Q 12. Alizarin dye obtained from the root of madder plant is anthraquinone derivative. Its structure corresponds to

{tex} 1, 2 {/tex}-dihydroxy anthraquinone

B

{tex} 2, 3 {/tex}-dihydroxy anthraquinone

C

{tex} 1, 4 {/tex}-dihydroxy anthraquinone

D

{tex} 1 {/tex}-hydroxy anthraquinone

Explanation

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Q 13. Which one is communicable disease

A

Scurvy

B

Diabetes

C

Beri-Beri

Chollera

Explanation

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Q 14. Which of the following is not an antipyretic

A

Aspirin

B

Paracetamol

Barbituric acid

D

Phenacetin

Explanation

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Q 15. An ester used as medicine is

A

Ethyl acetate

B

Methyl acetate

Methyl salicylate

D

Ethyl benzoate

Explanation

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Q 16. Which of the following is an antidiabetic drug

lnsulin

B

Penicillin

C

Chloroquine

D

Aspirin

Explanation

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Q 17. Which of the following is used as an antibiotic

Ciprofloxacin

B

Paracetamol

C

lbuprofen

D

Tocopherol

Explanation

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Q 18. When salicyclic acid is treated with acetic anhydride we get

Aspirin

B

Paracetamol

C

Salol

D

None of these

Explanation

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Q 19. What type of a propellant is used in rocket {tex} \mathrm { SLV } - 3 {/tex} which was fired by lndia

Solid propellant

B

Monomethy hydrazine {tex} + {/tex} liquid {tex} N _ { 2 } O _ { 4 } {/tex}

C

Unsymmetrical dimethyl hydrazine liquid {tex} N _ { 2 } O _ { 4 } {/tex}

D

Liquid oxygen

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Q 20. Which of the following is not a chromophore

A

{tex} - N = N - {/tex}

B

{tex} - N O {/tex}

C

{tex} - N O _ { 2 } {/tex}

{tex} - N H _ { 2 } {/tex}

Explanation

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Q 21. Substance used for bringing down temperature in high fever are called

A

Pyretics

Antipyretics

C

Antibiotics

D

Antiseptics

Explanation

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Q 22. 2, 4dichloro phenoxyacetic acid is used as a

A

Fungicide

B

Insecticide

Herbicide

D

Moth repellent

Explanation

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Q 23. Streptomycin is effective in the treatment of

Tuberculosis

B

Malaria

C

Typhoid

D

Cholera

Explanation

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Q 24. Phenacetin is used as

Antipyretic

B

Antiseptic

C

Antimalarial

D

Analgesic

Explanation

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Q 25. Which of the following is dye

A

Methyl orange

B

Orange 1

C

Aniline yellow

All of these

Explanation