MCQ on Acid Base and Salt. We covered all the MCQ on Acid Base and Salt in this post for free so that you can practice well for the exam.
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MCQ on Acid Base and Salt for Students
Who designed the pH scale?
(a) Sorenson
(b) Le-Blane
(c) Svante Arrhenius
(d) M.Lowry
Option a – Sorenson
Peroxy disulphuric acid is also known as
(a) Caro acid
(b) thiosulphurous acid
(c) Marshall acid
(d) pyrosulphuric acid
Option c – Marshall acid
What is the chemical formula of oleum?
(a) H2S2O6
(b) H2S2O7
(c) H₂S₂O5
(d) H₂S₂O₂
Option b – H2S2O7
On the basis of the following features identify the correct group of materials (i) They are corrosive in nature. (II) They have wide industrial applications. (III) They have a sour taste. (IV) They furnish hydrogen or hydronium ions in aqueous solutions.
(a) Acids
(b) Bases
(c) Salts
(d) Metals
Option a – Acids
The poisonous effect of acid present in stings of bees and ants can be neutralised by the use of a solution that contains
(a) acetic acid
(b) formic acid
(c) sodium hydroxide
(d) sodium chloride.
Option c – sodium hydroxide
Universal indicator solution is named as such because
(a) it is available universally
(b) it has a universal appearance
(c) it can be used for the entire pH range
(d) All the above are correct
Option c – it can be used for the entire pH range
The setting of the plaster of Paris is catalysed by sodium chloride and is retarded by ……….. The addition of ………… to the plaster of Paris gives a hard setting. This mixture is known as ……….. when POP is heated at 200°C, it forms anhydrous calcium sulphate which is known as ……….
(a) Borax, gypsum, Keene’s cement, dead plaster.
(b) Alum, gypsum, Keene’s cement, dead plaster.
(c) Alum, Alum, Keene’s cement, dead plaster.
(d) Alum, Borax, Keene’s cement, Gypsum.
Option c – Alum, Alum, Keene’s cement, dead plaster
Identify the type of product formed in the given chemical equation. Pb(OH)₂ + HNO3 → Pb (OH) NO3 + H₂O
(a) An acidic salt
(b) A basic salt
(c) A base
(d) An acid
Option b – A basic salt
What is the colour of Copper (II) Chloride formed in the given chemical equation? CuO +2CHI → CuCl₂ + H₂O (black)
(a) Blue
(b) Green
(c) Blue-green
(d) Both (a) and (b)
Option c – Blue-green
Which acid is used in lead storage batteries?
(a) H₂SO4
(b) HNO3
(c) HCI
(d) CH3COOH
Option a – H₂SO4
Compound ‘X’ in the aqueous form reacts with ammonium carbonate to give an acidic gas. What is compound “X”?
(a) Calcium hydroxide
(b) Ethanoic acid
(c) Sodium hydroxide
(d) Sulphuric acid
Option d – Sulphuric acid
A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish-blue?
(a) Lemon juice
(b) Vinegar
(c) Common salt
(d) An antacid
Option d – An antacid
If a few drops of concentrated acid accidentally spill over the hand of a student, what should be done?
(a) Wash the hand with saline solution
(b) Wash the hand immediately with plenty of water and apply a paste of sodium hydrogen carbonate
(c) After washing with plenty of water apply a solution of sodium hydroxide to the hand
(d) Neutralise the acid with a strong alkali
Option b – Wash the hand immediately with plenty of water and apply a paste of sodium hydrogen carbonate
Common salt besides being used in the kitchen can also be used as the raw material for making (i) washing soda (ii) bleaching powder (iii) baking soda (iv) slaked lime
(a) (i) and (ii)
(b) (i), (ii) and (iv)
(c) (i) and (iii)
(d) (i), (iii) and (iv)
Option c – (i) and (iii)
What is correct for the following? (i) Lemon Juice (ii) Solution of washing soda (iii) Toothphaste (iv) Stomach Juices (v) Vinegar
(a) i, iv, v are acids and ii, iii are bases
(b) ii, iii are acids i, iv, v are bases
(c) i, iii, iv, v are acids and ii is a base
(d) i, ii, iii are acids and iv, v are bases
Option a – i, iv, v are acids and ii, iii are bases
Which of the following is NOT salt?
(a) Sodium chloride
(b) Slaked lime
(c) Lead sulphide
(d) Zinc nitrate
Option b – Slaked lime
On the basis of the following features identify the correct substance (i) It is sour in taste (ii) It occurs in a vinegar solution (iii) It is used in food items like pickles, jams, sauces etc
(a) Formic acid
(b) Acetic acid
(c) Lactic acid
(d) Tartaric acid
Option b – Acetic acid
Which one of the following elements does not form solid hydrogen carbonate?
(a) Sodium
(b) Potassium
(c) Caesium
(d) Lithium
Option d – Lithium
The equivalent weight of Ba (OH), is (given, the atomic weight of Ba is 137.3)
(a) 85.7
(b) 137.3
(c) 154.3
(d) 171.3
Option a – 85.7
Which one of the following is monatomic?
(a) Hydrogen
(b) Sulphur
(c) Phosphorus
(d) Helium
Option d – Helium
A compound that is a white solid which absorbs water vapour from the air is
(a) sodium nitrate
(b) calcium chloride
(c) sodium carbonate
(d) calcium sulphate
Option b – calcium chloride
Bagasse, a by-product of the sugar manufacturing industry, is used for the production of
(a) glass
(b) paper
(c) rubber
(d) Cement
Option b – paper
Which one among the following compounds has the same equivalent weight and molecular weight?
(a) H₂SO4
(b) CaCl2
(c) Na2SO4
(d) NaCl
Option d – NaCl
We covered all the mcq on acid base and salt above in this post for free so that you can practice well for the exam.
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