Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Dust particles NO2 Photochemical smog SO2 Dust particles NO2 Photochemical smog SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Is quick setting Becomes more strong Is slow setting Cracks during setting Is quick setting Becomes more strong Is slow setting Cracks during setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Inductive effect Resonance effect Hyper conjugative effect All of them Inductive effect Resonance effect Hyper conjugative effect All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Hydrogen Sulphide Carbon dioxide Nitrogen Oxygen Hydrogen Sulphide Carbon dioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacid tablets consist of Hydroxides of magnesium and sodium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium and aluminium ANSWER DOWNLOAD EXAMIANS APP
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