Chemistry in Everyday Life Test

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Chemistry in Everyday Life Test - 42

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Weekly Quiz Competition

Question 1
1 / -0

Identify an analgesic from the following:

A
Equanil

B
Aspirin

C
Serotonin

D
Cimetidine

Solution

Aspirin is non narcotic analgesic. It is also used as anti-inflammatory and antipyretic (reduces fever). It is used in headache, cold, tissue swelling, arthitirs etc. It is also used as antirhuematic drug. Hence, the option (B) is the correct answer.
Question 2
1 / -0

Which among the following is a tranquilizer?

A
Aspirin

B
Valium

C
Penicillin

D
Sulphanilamide

Solution

A tranquilizer is a drug that induces tranquility in a person and other animals. Valium is used to treat anxiety disorders, alcohol withdrawal symptoms, or muscle spasms. Valium is an example of it. Aspirin is a medication used to treat pain, fever, and inflammation. Penicillin is antibiotic sulphanilamide is a synthetic compound with antibacterial properties.
Question 3
1 / -0

Further growth of cancerous cells in the body is arrested by:

A
electrotherapy

B
physiotherapy

C
chemotherapy

D
psychotherapy

Solution

Further growth of cancerous cells in the body is arrested by chemotherapy. Chemotherapy is the treatment of cancer with one or more cytotoxic anti-neoplastic drugs.

Hence, the correct option is $$\text{C}$$
Question 4
1 / -0

Parkinson's disease is linked to abnormalities in the levels of dopamine in the body. The structure of dopamine is:

A

B

C

D
Solution
Correct Answer: Option D

Explanation:
- Dopamine is released by the substantia nigra of the mid-brain.
- Dopamine is a neurotransmitter.
- It helps in conducting neural impulses between two neurons.
- Hyper release of dopamine cause schizophrenia while hypo release causes Parkinson’s disease.
- The IUPAC name of dopamine is $$4-(2-aminoethyl)benzene-1,2-diol$$.
Hence, option $$D$$ is the correct answer.
Question 5
1 / -0

Antiseptic Chloroxylenol is:

A
4-chloro-3, 5-dimethyl phenol

B
3-chloro-4, 5-dimethyl phenol

C
4-chloro-2, 5-dimethyl phenol

D
5-chloro-3, 4-dimethyl phenol

Solution

Antiseptic chloroxylenol is 4-chloro-3,5-dimethylphenol, the IUPAC name of the structure shown in the image.
Question 6
1 / -0

One of the most widely used drug in medicine, iodex is?

A
Ethyl salicylate

B
Methyl salicylate

C
O-hydroxy benzoic acid

D
Acetyl salicylic acid

Solution

Methyl salicylate, also said to be oil of winter green is used as medicine in iodex for treatment of rheumatic pains and remedy for aches, sprains and bruises.
Question 7
1 / -0

A sample of coconut oil weighing $$1.573\ g$$ is mixed with $$25\ mL$$ of $$0.4210\ M\ KOH$$ is used in saponification of coconut oil. After the saponification is complete, $$8.46\ mL$$ of $$0.2732\ M\ H_{2}SO_{4}$$ is required to neutralize excess $$KOH$$. The saponification number of peanut oil is:

A
$$209.6$$

B
$$98.9$$

C
$$108.9$$

D
$$218.9$$

Solution

Number of milliequivalent of $$KOH$$ added
$$= 25\times 0.421 = 10.525$$
Number of milliequivalents left unreacted
$$=$$ Number of milliequivalents of $$H_{2}SO_{4}$$ used
$$= 8.46\times 0.2732\times 2 = 4.623$$ (Here, basicity of $$H_{2}SO_{4} = 2$$)
Number of milliequivalents of $$KOH$$ used by oil
$$= 10.525 - 4.623 = 5.902$$
Mass of $$KOH$$ used $$= \dfrac {5.902\times 56}{1000} = 0.3305\ g = 330.5\ mg$$
Saponification number $$=$$ Mass of $$KOH$$ in $$mg$$ used by $$1\ g$$ oil or fat
$$=\dfrac {0.3305\times 1000}{1.5763} = 209.6$$.
Question 8
1 / -0

Sodium alkyl benzene sulphonate is used as:

A
Soap

B
Fertilizer

C
Detergent

D
Pesticide

Solution

Sodium alkyl benzene sulfonates are a class of anionic surfactants, consisting of a hydrophilic sulfonate head-group and a hydrophobic alkyl benzene tail-group.

Along with sodium Laureth sulfate they are one of the oldest and most widely used synthetic detergents and may be found in numerous personal care products.

Hence, option C is correct.
Question 9
1 / -0

Iodised salt prevents __________.

A
TB

B
Anaemia

C
Goitre

D
Beri-beri

Solution

Iodised salts prevent goitre which is an iodine deficiency disease.
Question 10
1 / -0

A peptide hormone is:

A
estrone

B
testosterone

C
insulin

D
corticoid

Solution

Insulin, a pancreatic hormone contains two polypeptide chains, one having 30 amino acid residues and the other having 21 amino acid residues.