Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium sulphate None of these Aluminium powder Solder Aluminium sulphate None of these Aluminium powder Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HCl HF HNO3 H2SO4 HCl HF HNO3 H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Inductive effect Resonance effect All of them Hyper conjugative effect Inductive effect Resonance effect All of them Hyper conjugative effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 3.2 6.3 5.6 8.3 3.2 6.3 5.6 8.3 ANSWER DOWNLOAD EXAMIANS APP