Chemistry Poison used for killing rats is Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They contain mainly carbon and hydrogen They have low melting and boiling points They do not dissolve in water They are not easily combustible They contain mainly carbon and hydrogen They have low melting and boiling points They do not dissolve in water They are not easily combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Synergism Additives Independent Antagonism Synergism Additives Independent Antagonism ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [CoF6]3+ [Ti(H2O)6]3+ [Cu(NH3)4]2+ [CrO4]2− [CoF6]3+ [Ti(H2O)6]3+ [Cu(NH3)4]2+ [CrO4]2− ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Coal Carbohydrates Biomass Crude oil Coal Carbohydrates Biomass Crude oil ANSWER DOWNLOAD EXAMIANS APP