12th Grade > Chemistry
CHEMISTRY IN EVERYDAY LIFE MCQs
Total Questions : 30
| Page 1 of 3 pages
Answer: Option A. -> C17H35COOK
:
A
Soaps are sodium or potassium salts of long chain fatty acids.
:
A
Soaps are sodium or potassium salts of long chain fatty acids.
Answer: Option C. -> prostaglandins
:
C
Aspirin inhibits the synthesis of chemicals known as prostaglandins which stimulate inflammation in the tissue and cause pain. These drugs are effective in relieving skeletal pain such as that due to arthritis.
:
C
Aspirin inhibits the synthesis of chemicals known as prostaglandins which stimulate inflammation in the tissue and cause pain. These drugs are effective in relieving skeletal pain such as that due to arthritis.
Answer: Option B. -> carry message between two neurons or between neurons and muscles
:
B
In the body, message between two neurons and that between neurons to muscles is communicated through certain chemicals. These chemicals, known as chemical messengers are received at the binding sites of receptor proteins.
:
B
In the body, message between two neurons and that between neurons to muscles is communicated through certain chemicals. These chemicals, known as chemical messengers are received at the binding sites of receptor proteins.
Answer: Option B. -> Only statement 2 is correct
:
B
Antibiotics are used to kill bacteria and microorganisms. They are usually taken orally or injected.
Antiseptics are used just to inhibit or prevent bacterial growth and not to kill them. They are used by applying on the skin. Dettol is antiseptic.
:
B
Antibiotics are used to kill bacteria and microorganisms. They are usually taken orally or injected.
Antiseptics are used just to inhibit or prevent bacterial growth and not to kill them. They are used by applying on the skin. Dettol is antiseptic.
Answer: Option D. -> All of these
:
D
Dettol (antiseptic) is a mixture of 4.8% chloroxylenol +9.9% terpineol and absolute alcohol.
:
D
Dettol (antiseptic) is a mixture of 4.8% chloroxylenol +9.9% terpineol and absolute alcohol.
Answer: Option C. -> Ampicillin is a natural antibiotic
:
C
Ampicillin is a synthetic antibiotic.
:
C
Ampicillin is a synthetic antibiotic.
Answer: Option A. -> Have less branched hydrocarbon chain
:
A
Bacteria cannot degrade the detergents with highly branched hydrocarbon.
:
A
Bacteria cannot degrade the detergents with highly branched hydrocarbon.
Answer: Option C. -> (iii) and (i)
:
C
Soap forms scum with hard water but detergent does not form any scum. Hence statement (ii) is incorrect.
:
C
Soap forms scum with hard water but detergent does not form any scum. Hence statement (ii) is incorrect.
Answer: Option C. -> CH3(CH2)10OSO3Na
:
C
CH3(CH2)10OSO3is an anionic synthetic detergent. Anionic detergents are sodium salts of sulphonated long chain alcohols or hydrocarbons C15H31COOKandCH3(CH2)16COONa are soap.
:
C
CH3(CH2)10OSO3is an anionic synthetic detergent. Anionic detergents are sodium salts of sulphonated long chain alcohols or hydrocarbons C15H31COOKandCH3(CH2)16COONa are soap.
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