Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Bronchitis Cancer Asphyxiation Corrosion Bronchitis Cancer Asphyxiation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Condensation Condensation Dialysis Condensation Condensation Condensation Dialysis Condensation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food Burning of paper Burning of coal Conversion of water into steam Digestion of food Burning of paper Burning of coal Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Propane Ethane Methane Butane Propane Ethane Methane Butane ANSWER DOWNLOAD EXAMIANS APP