Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Graphite Phosphorus Sodium Silicon Graphite Phosphorus Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Prevent making a colloid 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Lead Aluminium Arsenic Mercury Lead Aluminium Arsenic Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Picric acid Chloride Aspirin Benzene Picric acid Chloride Aspirin Benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? None of these Foam type Soda acid type Powder type None of these Foam type Soda acid type Powder type ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 15 18 13 21 15 18 13 21 ANSWER DOWNLOAD EXAMIANS APP