Chemistry Ultra purification of a metal is done by : Leaching Zone melting Slugging Smelting Leaching Zone melting Slugging Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Stabilise the colloid and prevent crystallisation Prevent making a colloid Stabilise mixture Enrich the aroma Stabilise the colloid and prevent crystallisation Prevent making a colloid Stabilise mixture Enrich the aroma ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphuric acid is Dibasic Tribasic Tetrabasic Monobasic Dibasic Tribasic Tetrabasic Monobasic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 300 km 200 km 150 km 100 km 300 km 200 km 150 km 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Mica Lead Graphite Carbon Mica Lead Graphite Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 50 and 100 km 20 and 50 km 10 and 20 km 5 and 10 km 50 and 100 km 20 and 50 km 10 and 20 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP