Abdominal cavity MCQs with Answers

Abdominal cavity MCQs

Hello students! Today we are going to provide you some important MCQs on Acetic acid. Acetic acid is an essential industrial chemical. It is a colourless liquid and the chemical formula of acetic acid is C2H2O2. The Acetobacterium and some other bacteria are used for the production of acetic acid. Acetic acid is also known as Ethanoic acid that have unpleasant odour. Acetic acid of 3 to 9% in the water is known as vinegar.

High concentration of blood sugar is reduced by the vinegar. It is widely used in many industries and have many more uses.

Que.1) A ……………….. Is known as Glacial acetic acid because it forms an ice-like solid when cooled.

a) Perchloric acid

b) Acetic acid

c) Sulphuric acid

d) Nitrous acid

Que.2) Forerunner of Indole acidic acid (natural auxin) is ……………..

a) Tryptophan

b) Glycine

c) Lysine

d) Aspartic acid

Que.3) Farmers use a spray of …………………. On the livestock silage to fight fungal and bacterial growth.

a) Chloric acid

b) Boric acid

c) Benzoic acid

d) Acetic acid

Que.4)Which of the following is not included in the properties of acetic acid.

a) It is soluble in alcohol and insoluble in carbon disulfide.

b) It is miscible with water, ether, acetone etc.

c) It is not miscible with benzene.

d) It is with pungent smell.

Que.5)The disinfectant acetic acid is used for the preservation of zoological samples.

a) True

b) False

Que.6) Which of the following acid provides an acidic environment where bacteria cannot survive and the acid can preserve the pickles for the long time.

a) Formic acid

b) Oxalic acid

c) Citric acid

d) Ethanoic acid

Que.7) When the metals like iron, zinc and magnesium are exposed to acetic acid, the metals undergoes corrosion and this reaction forms …………….?

a) Nitrate salts

b) Sulphate salts

c) Acetate salts

d) Phosphate salts

Que.8) The acetic acid bacteria can produce ethanoic acid from foodstuffs in the presence of sufficient oxygen. This method is known as ………………..

a) Acetaldehyde oxidation

b) Oxidative fermentation

c) Anaerobic fermentation

d) Ethylene oxidation

Que.9) Which of the following ethanol is oxidised into acetic acid aerobically?

a) Lactobacillus

b) Acetobacter

c) Gluconobacter

d) Both b) and c)

Que.10) Which of the following is the correct percentage of acetic acid in vinegar?

a) 4% to 6%

b) 3% to 9%

c) 8%

d) 10%

Que.11) Which of the following is responsible for the production of malt vinegar?

a) Ale

b) Fruit juices

c) Malted grain

d) Acetic acid

 

Answer:

1) b) acetic acid.

2)a) Tryptophan.

3)a) Chloric acid.

4)c) It is not miscible with benzene.

5)b) False.

6)d) Ethanoic acid.

7)c) Acetate salts.

8)b) Oxidative fermentation.

9)d) Both b) and c).

10) b) 3% to 9%.

11) c) Malted grain


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