Where is the global headquarters of the Goldman Sachs

In which form is iron ore primarily found in nature?

What is the colour of the outer zone of complete combustion of candle flame?

The atomic bomb is based on which principle?

Acid rain is caused due to pollution of the atmosphere by:

Which acid is found in vinegar?

Which of the following is a water soluble vitamin?

Terylene is a condensation polymer of ethylene glycol and which acid?

In the synthesis of aspirin (acetylsalicylic acid) from salicylic acid, which reagent is used?

Water from soil enters into the root hairs owing to :

A radioactive substance emits?