Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They have low melting and boiling points They contain mainly carbon and hydrogen They do not dissolve in water They are not easily combustible They have low melting and boiling points They contain mainly carbon and hydrogen They do not dissolve in water They are not easily combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of O2 Both A and B None of these N2 O2 Both A and B None of these N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Chlorine Sulphur dioxide Carbon monoxide Carbon dioxide Chlorine Sulphur dioxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Mercury Copper Silver Aluminium Mercury Copper Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Enrich the aroma Stabilise the colloid and prevent crystallisation Stabilise mixture Prevent making a colloid Enrich the aroma Stabilise the colloid and prevent crystallisation Stabilise mixture Prevent making a colloid ANSWER DOWNLOAD EXAMIANS APP