Acids Bases and Salts Discussion

Acids Bases and Salts Discussion
Acids Bases and Salts Discussion
1. Which one of the following is an organic
acid? [NDA 2019]
(a) Hydrochloric acid
(b) Nitric acid
(c) Acetic acid
(d) Sulphuric acid
2. Which is not a Lewis acid?
[JPSC (Pre) 2013]
(a) AlCl3
(b) BF3
(c) NH3
(d) FeCl3
3. Sodawater obtained by passing carbon
dioxide in water is
[RAS/RTS (Pre) 1999]
(a) an oxidising agent
(b) basic in nature
(c) acidic in nature
(d) a reducing agent
4. Which one of the following does not
contain COOH group?
[Astt. Comm. 2019]
(a) Citric acid
(b) Lactic acid
(c) Tartaric acid
(d) Ascorbic acid
5. Carboxylic acid group can be detected
(a) sodium bisulphite test
(b) Fehling’s solution test
(c) Tollen’s reagent
(d) NaHCO3
6. Acid turns blue litmus red and base
turns red litmus blue. A student tested a
liquid with a red litmus paper which
remained red with no change. This
shows that the liquid [NDA 2009]
(a) is not a base.
(b) is not an acid.
(c) is neither an acid nor a base.
(d) must be pure water or acid.
7. The Soda-acid fire extinguisher
contains [IAS 2019]
(a) sulphuric acid and solution of
sodium hydrogen carbonate.
(b) nitric acid and solution of sodium
hydrogen carbonate.
(c) sulphuric acid and solution of
sodium carbonate.
(d) sulphuric acid and solution of
potassium carbonate.
8. Which one of the following gives the
highest amount of hydrogen ions (H
[NDA 2018]
(a) Sodium hydroxide solution
(b) Milk of magnesia
(c) Lemon juice
(d) Gastric juice
9. Which one of the following will not
produce carbon dioxide on reacting
with an aqueous solution of
hydrochloric acid? [NDA 2019]
(a) Limestone
(b) Quicklime
(c) Chalk
(d) Marble
10. Which one of the following was the first
mineral acid discovered? [NDA 2020]
(a) Sulphuric acid
(b) Hydrochloric acid
(c) Nitric acid
(d) Phosphoric acid
Acids Bases and Salts Discussion
11. An acid is a substance which
[SSC 2017]
I. is sour in taste.
II. turns red litmus paper into blue.
(a) Only I is correct
(b) Only II is correct
(c) Both I and II
(d) None of these is correct
12. Match List I with List II and select the
correct answer using codes given
below the lists.
List I (Acid) List II (Source)
A. Lactic acid 1. Tamarind
B. Tartaric acid 2. Orange
C. Oxalic acid 3. Tomato
D. Citric acid 4. Sour curd
(a) 2 4 3 1 (b) 2 3 4 1
(c) 4 3 1 2 (d) 4 1 3 2
13. Match List I with List II.
List I List II
A. Tartaric acid 1. Red ants
B. Formic acid 2. Grapes
C. Uric acid 3. Apples
D. Maleic acid 4. Urine of mammals
(a) 2 1 4 3 (b) 1 4 3 2
(c) 4 3 2 1 (d) 3 2 1 4
14. Farmers are requested to mix lime with
soil while farming their fields. This is
(a) lime is very helpful in maintaining the
water content in the soil.
(b) lime decreases the acidity of soil.
(c) lime decreases the basicity of soil.
(d) high concentration of lime is
necessary for the plant growth.
15. Buildup of which acid in our muscles
during sudden activity causes cramps?
[SSC CGL (10 2) 2018]
(a) Lactic acid
(b) Pyruvic acid
(c) Carbonic acid
(d) Oxalic acid
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