Month: January 2019

Q.1:- Milk is a ? Mixture Element Metal None of these Q.2:- Which one of the following mixture is homogeneous ? Starch and Sugar Methanol […]

Q.1:- Activated charcoal is employed to remove colouring matter from pure substance, it works by ? Bleaching Oxidation Reduction Adsorption Q.2:- Important ore of lead […]

Q.1:- The information not conveyed by thermodynamics is about ? Spontaneity of a reaction Yields of the products formed Rates of reactions All the three […]

Q.1:- Copper wire test of halogens is known as ? Liebig’s test Lassaigne’s test Fusion test Beilstein’s test Q.2:- Optical isomerism is shown by ? […]

Q.1:- The conduction of electricity through the electrolyte solution is due to ? Movement of molecules of electrolyte Movement of ions of electrolyte Movement of […]

Q.1:- Rectified spirit contains ? 75% Alcohol 5% Alcohol 56% Alcohol 100% Alcohol Q.2:- Which one among the following fuels is used in gas welding […]

Q.1:- The chemical name of ‘Hypo’ commonly used in photography is ? Sodium Thiosulphate Silver Nitrate Sodium Nitrate Silver Iodide Q.2:- Which of the following […]

Q.1:- The geometry of CCl4 is ? Tetrahedral Triangular Linear Octahedral Q.2:- H2O is liquid and H2S is a gas because ? Oxygen forms stronger […]

Q.1:- The substrate of Photorespiration is ? Fructose Pyruvic Acid Glycolate Glucose Q.2:- Beri-Beri is caused due to ? Vitamin A Vitamin B Vitamin C […]

Q.1:- The Hydrogen halide with the highest boiling point is ? HI HBr HCl HF Q.2:- Most commonly used beaching agent is ? Alcohol Chlorine […]