Acid, Bases and Salts

In this quiz, you will find questions related to acids, bases, and salts and their chemical reactions with each other.

Start Quiz

Which one of the following types of medicines is used for treating indigestion?

Antibiotics Analgesic Antacid Antiseptic

Egg shell is made up of

CaCO3 CaO Ca(OH)2 CaCl2

An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?

Baking power Lime Ammonium hydroxide solution Hydrochloric acid

NaHCO, formed by reaction of

NaOH + H2CO3 NaCl + H2CO3 Na2CO3 + HCl NaOH + Na2CO3

Calcium phosphate is present in tooth enamel. Its nature is

Basic

Acidic

Neutral

Amphoteric

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?

Lemon juice Vinegar Common salt An antacid

Which gas is evolved when acids react with metals?

O2 CO2 H2 N2

The pH of a solution is 7. How can you increase its pH?

By adding a small amount of acid By adding a small amount of base. By adding a small amount of salt. By passing carbon dioxide gas through it.

Sodium carbonate is a basic salt because it is a salt of

Strong acid and strong base

Weak acid and weak base

Strong acid and weak base

Weak acid and strong base

Two aqueous solutions P and Q have pH of 5 and 13 respectively. The correct inference is that:

Solution P is of HCl and Q is of NH4OH

Solution P is of CH3COOH and Q is of Ca(OH)2

Solution P is of HNO3 and Q is of NH4OH

Solution P is of CH3COOH and Q is of NaOH

Which of the following is used for dissolution of gold?

Hydrochloride acid Sulphuric acid Nitric acid Aqua- regia

The property which is not shown by acids is:

They have sour taste They feel soapy They turn litmus red Their pH is less than seven

Match the chemical substances given in “Brackets”.

Bleaching powder (Production of H2 and Cl2), Baking soda (Preparation of glass), Washing soda (Antacid), Sodium chloride (Decolorization). Bleaching powder (Decolorization), Baking soda (Production of H2 and Cl2), Washing soda (Antacid), Sodium chloride (Preparation of glass). Bleaching powder (Decolorization), Baking soda (Antacid), Washing soda (Preparation of glass), Sodium chloride (Production of H2 and Cl2). Bleaching powder (Production of H2 and Cl2), Baking soda (Antacid), Washing soda (Preparation of glass), Sodium chloride (Decolorization).

Rahul is writing some statements, choose the incorrect statement and help him:

Hydrochloric acid is strong acid. Sodium Hydroxide is a strong base. Acetic acid is weak acid. Magnesium hydroxide is a strong base.

Which of the following are present in a dilute aqueous solution of hydrochloride acid?

H3O+ + Cl- H3O+ + OH- Cl- + OH- Unionised HCl

Which Of The Following Gives The Correct Increasing Order Of Acid Strength?

Water < acetic acid < hydrochloride acid.

Water < hydrochloride acid < acetic acid.

Acetic acid < water < hydrochloride acid.

Hydrochloride acid < water < acetic acid.

One Of The Constituents Of Baking Powder Is Sodium Hydrogen Carbonate, The Other Constituent Is

Hydrochloric acid

Tartaric acid

Acetic acid

Sulphuric acid

Pallavi Is Writing Some Statements. She Wants To Know In Which Of The Following Statements Is Or Are Incorrect?

The solutions of all the acids conduct electricity.

When carbon dioxide gas is passed through lime water, the lime water turns milky due to the formation of a white precipitate of sodium hydrogen-carbonate.

When dilute hydrochloric acid reacts with sodium carbonate, then sodium chloride, carbon dioxide and water are formed.

When dilute sulphuric acid reacts with zinc metal, then zinc sulphate and hydrogen gas are formed.

Common Salt Besides Being Used In Kitchen Can Also Be Used As The Raw Material For Making:

Washing soda, Bleaching soda

Washing soda, Bleaching soda, Slaked lime

Washing soda, Bleaching soda, Baking soda

Washing soda, Baking soda, Slaked lime

Sodium Hydrogen Carbonate, When Added To Acetic Acid, Evolves A Gas. Which Of The Following Statements Are True About The Gas Evolved?

It turns lime water milky, and it extinguishes a burning splinter.

It turns lime water milky, and it extinguishes a burning splinter, and it dissolves in a solution of sodium hydroxide.

It extinguishes a burning splinter, it dissolves in a solution of sodium hydroxide, and it has a pungent odour.

It turns lime water milky, and it has a pungent odour.

Quiz/Test Summary
Title: Acid, Bases and Salts
Questions: 20
Contributed by:
james