Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silica gel is a Drying agent Moisturizer Flavouring agent Delicious food Drying agent Moisturizer Flavouring agent Delicious food ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Acetylene Propane Vinyl chloride Styrene Acetylene Propane Vinyl chloride Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 4J Infinity 2J 4J Infinity 2J ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals Light metals Halogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS