Acids- Bases and Salts credits:clker.com Worksheet Fill in the Blanks 1. Blue litmus changes into red colour in the presence of_______. 2. The acid present in lemon juice is _______. 3
Acids- Bases and Salts credits:clker.com MCQs Q1: The most commonly used indicator in laboratory is (a) Methyl Orange (b) Litmus (c) Phenolphtalein (d) Universal Indicator Q2: Which gas
Metals and Non-Metals Q & A Q1: List any five physical properties of metals. Answer: Physical properties of metals are: Metals are usually hard (exceptions are: sodium and potassium). These
CHEMICAL REACTIONS AND EQUATIONS MCQs Q1: Which of the following is not a decomposition reaction? (a) CaCO3 → CaO + CO2 (b) H2 + Cl2 → 2HCl (c) H2CO3 → H2O + CO2 (d) 2KClO3 → 2KCl + 3O2
Carbon and Its Compounds (MCQs) Q1: Which of the following is an odd compound? (a) Ethene (b) Ethane (c) Propene (d) Acetylene Q2: Which one of the following is an unsaturated hydrocarbon? (
