Assignment No. – 1
Acids, Bases and Salts


Que1. Define the terms: Acid, alkali and salt.

Que 2. Identify the number of replaceable hydrogen ions (H+) in the following acids: HCl, CH3COOH, H2SO4, H3PO4.

Que 3. What is a neutralization reaction?

Que 4. What are strong and weak acids? Give one example of each?

Que 5: What is the common name of the compound CaOCl2?

Que 6: Name the substance which on treatment with chlorine yields bleaching powder?

Que 7: Name the sodium compound which is used for softening hard water.

Que 8: What will happen if a solution of sodium hydrogen carbonate is heated? Give the equation of the reaction involved.

Que 9. Write an equation to show the reaction between Plaster of Paris and water.

 Que 10. Why is acetic acid called a weak acid though there are 4 'H' atoms in the molecule?



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