Science : Ch 02 – Acids Bases and Salts

Which of the following gives the exact increasing order of acid strength?

Which of the Subsequent salts does not carry water of crystallisation?

A visually challenged student, has to carryout a lab test to detect the presence of acid in a given solution. The acid-base indicator favoured by him will be:

If 10 mL of H₂SO₄ is mixed with 10 mL of Mg(OH)₂ of the same concentration, the resultant solution will give the following colour with universal indicator:

To preserve tooth decay we are advised to brush our teeth regularly. The nature of the toothpaste commonly used is:

Which of the following statements is accurate about an aqueous solution of an acid and a base?

1. Higher the pH, stronger the acid
2. Higher the pH, weaker the acid
3. Higher the pH, stronger the base
4. Lower the pH, weaker the base

Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following declaration are true about the gas evolved?

1. It turns lime water milky
2. It extinguishes a burning splinter.
3. It dissolves in a solution of sodium hydroxide.
4. It has a pungent odour

An old person complained of acute pain in stomach. Doctor gave small antacid tablet and he got immediate relief. What actually happened?

What types of ions are formed when an acid is dissolved in water ?

The source of Acetic acid is

The source of citric acid is

The source of oxyalic acid is

The chemical used in manufacture of soaps

Washing soda is prepared from

Which of the following statements is true for acids?