Which gas is used in the manufacture of vanaspati from vegetable oil?
Why Radiocarbon is produced in the atmosphere?
It is easier to roll a stone up a sloping road than to lift it vertical upwards, what is the reason behind this?
The absorption of ink by blotting paper involves which phenomenon?
What is the first metal which is used by man?
Who has scored the most runs in a single First-class innings?
The nickname of wicketkeeping great Rod Marsh was what?