Which radioactive element is seen in Kerala ?
Thorium

What is the chemical name of salt petre ?
Potassium Nitrate

What is hypo ?
Sodium thio sulphate

What is the percentage composition of Nitrogen in the atmosphere ?
80 % by volume

What is butter antimony ?
SbCl3

What is the composition of gun powder ?
Potassium Nitrate, charcol and Sulphur

How is a sulphide ore concentrated ?
Froth flotation

What are miscelle ?
Aggregated colloids

What are tartar emetic ?
Potassium anti monyl tartrate

How is tartar emetic used ?
Used to induce vomiting