Chemistry Which of the following is colourless ? Oxygen Chlorine Phosphorus Sulphur Oxygen Chlorine Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Sodium chloride Borax Saltpetre Hydrogen peroxide Sodium chloride Borax Saltpetre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Calcium carbonate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis Combination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Aluminium Iron Copper Tin Aluminium Iron Copper Tin ANSWER DOWNLOAD EXAMIANS APP
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