Chemistry When iron rusts, its weight Remains the same Increases Decreases First increases and then decreases Remains the same Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Silver Copper Zinc Nickel Silver Copper Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons NO CO2 CO Hydrocarbons NO CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The residue left after extracting juice from sugarbeet and sugarcane is called Biomass Molasses Whey Bagasse Biomass Molasses Whey Bagasse ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Tobacco Insecticides Sewage Leaded gasoline Tobacco Insecticides Sewage Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Bhopal gas tragedy' 1984 is related to which gas Carbon dioxide Methyl isocyanate Aluminium Phosphide Methyl bromide Carbon dioxide Methyl isocyanate Aluminium Phosphide Methyl bromide ANSWER DOWNLOAD EXAMIANS APP