Chemistry Calcium salts used as fertilizer is : Calcium Cyanide Calcium Sulphate Calcium Carbide Calcium Carbonate Calcium Cyanide Calcium Sulphate Calcium Carbide Calcium Carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because 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 Its atomic number is 2 It is lighter than air It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 neutron only 1 proton + 2 neutron 1 proton only 1 electron only 1 neutron only 1 proton + 2 neutron 1 proton only 1 electron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Methane and ethane Ethylene and carbon monoxide Liquified butane and isobutane Hydrogen and acetylene Methane and ethane Ethylene and carbon monoxide Liquified butane and isobutane Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Ozone Carbondioxide Nitrogen Oxygen Ozone Carbondioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP