STD VIII - Science (III)

Which force will act between two charged objects?

The dark zone of a candle flame is the ________.

Incompletely burnt fuel releases a very poisonous gas that can be fatal if inhaled is __________.

Deoxyribonucleic acid is found to be present within _________.

The process by which mature ovum is released from ovary is called _______.

Which of the following is/are metalloid?

Which of the following is/are noble gas?

A reaction in which more reactive metal replaces a less reactive metal from its salt solution is called __________.

When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to __________.

The unit of calorific value is __________.