Chemistry in Everyday Life Test

Result

Chemistry in Everyday Life Test - 61

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Weekly Quiz Competition

Question 1
1 / -0

Among the $$\alpha$$-amino acids- threonine, tyrosine, methionine, arginine and tryptophan, those which contain an aromatic group in their side chain are:

A
Theronine and arginine

B
Tyrosine and tryptophan

C
Methionine and tyrosine

D
Arginine and tryptophan

Solution
Question 2
1 / -0

Examples of three detergents are given below. Mark the correct statements following the examples.

A
I and II are non-diodegradable detergents and III is biodegradable.

B
I and II are biodegradable detergents and III is non-biodegradable.

C
I, II and III are non-biodegradable detergebts.

D
I is biodegradable and II, III are non-biogegradable.

Solution

Detergents having straight hydrocarbon chains are easily degraded by microorganisms while detergents with branched hydrocarbon chains are generally non-biodegradable. I and II are unbranched and III is branched.

So, B is the correct option.
Question 3
1 / -0

Among the following, which one acts as a food preservative?

A
Aspartame

B
Aspirin

C
Sodium Benzoate

D
Paracetamol

Solution

Sodium benzoate is a substance which has the chemical formula $$C_6H_5COONa$$. It is a widely used food preservative.

Hence, option C is correct.
Question 4
1 / -0

Important function of the drug with the following structure is:

A
Reducing fever

B
Relieving pain

C
Anti blood clotting action

D
All of these

Solution
Question 5
1 / -0

Cetyl trimethyl ammonium chloride is an example of

A
anionic detergent

B
cationic detergent

C
non-ionic detergent

D
Soap

Solution
Question 6
1 / -0

Barbiturates acts as:

A
hypnotic i.e., sleep producing

B
non-narcotic analgesics

C
activator of neurotransmitters

D
anti allergic drugs

Solution

Barbiturates are the chemical derivatives of barbituric acid that act as Central Nervous system depressant. They are also known as sedative hypnotic drug.
Question 7
1 / -0

Hydrolysis of $$NH_{4}Cl$$ is called-

A
Catoionic

B
Anionic

C
Cationic and anionic both

D
None of these

Solution
Question 8
1 / -0

The drug used for the treatment of throat infection is

A
Quinine

B
Piperazine

C
Sulpha drug like sulphanilamide

D
Isonicotin hydrazide

Solution
Question 9
1 / -0

The role of phosphate in detergent powder is to :

A
Control $$pH$$ level of the detergent water mixture

B
Remove $$Ca^{2+}$$ and $$Mg^{2+}$$ ions from the water that causes the hardness of water

C
Provides whiteness to the fabrics

D
Form solid detergent as phosphate-less detergents are liquid are in nature.

Solution

The advantage of using phosphates in a consumer laundry detergent or dishwashing detergent is that they make detergents more efficient by chelating calcium and magnesium ions.
Hence option (B) is correct.
Question 10
1 / -0

$$CH_3-C\equiv CH\xrightarrow [ dil.\quad { H }_{ 2 }SO_{ 4 } ]{ ({ HgSO }_{ 4 }) } (B)\xrightarrow [ { CHCI }_{ 3 } ]{ (NaOH) } (C)$$

Compound (C) can be used as______.

A
an anaesthetic

B
an insecticide

C
a solvent

D
a hypnotic

Solution