Chemistry Ruby and sapphire are oxides of Aluminium Tin Iron Copper Aluminium Tin Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Elimination reaction Addition reaction Substitution reaction None of the options Elimination reaction Addition reaction Substitution reaction None of the options ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1020 6.023 × 1023 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1020 6.023 × 1023 '6.023 × 10–23 '6.023 × 10–20 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Carbon monoxide Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polycyclic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol-1 let-2 Mol2 let-1 Mol2 let-2 Mol-1 let-1 Mol-1 let-2 Mol2 let-1 Mol2 let-2 Mol-1 let-1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Mental stimulant Hallucinating substance Tranquillizer Sedative Mental stimulant Hallucinating substance Tranquillizer Sedative ANSWER DOWNLOAD EXAMIANS APP