Chemistry Which among the following is a covalent compound ? Carbon tetrachloride Magnesium fluoride Sodium chloride Calcium chloride Carbon tetrachloride Magnesium fluoride Sodium chloride Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, It will not burn It will change into diamond Residue will be left No residue will be left It will not burn It will change into diamond Residue will be left No residue will be left ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is diamond coke graphite charcoal diamond coke graphite charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 1 0.01 0.78 0.21 1 0.01 0.78 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free chlorine Combined available chlorine Residual chlorine Free available chlorine Free chlorine Combined available chlorine Residual chlorine Free available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of None of these Sulphur dioxide Methane Carbon dioxide None of these Sulphur dioxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP