Which gas is used to convert vegetable oils into solid

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

Who measured the velocity of light first?

Which acid is present in grapes?

Which type of wave does not require a medium for propagation?

What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius?

Which element is commonly used in nuclear reactors for producing electricity by nuclear fission?

Which of the following does not give effervescence with sodium carbonate?

Which law explains why planets move faster when they are closer to the Sun?

A storm is predicted if atmospheric pressure –

Choose the wrong statement