Which of the following gases is heavier than oxygen?
Carbon dioxide
Carbon dioxide is heavier than oxygen, as it has a higher molecular weight.
Bubble of air rise up through liquids due to:
The boiling point of liquids vary as
Which is correct statement ?
According to Charle's Law, which of the following is constant?
Which of the following statements is/are correct?
I. Mass vapor is obtained in the air by evaporation and transpiration.
II. Water circulation between the oceans and the water bodies is called the water cycle.
Which of the following arenot chemical changes?
1. Tempering of iron
2. Conversion of the iron piece into an electro-magnet by passing the current around the iron
3. Melting of iron
4. Rusting of iron
Select the correct answer using the code given below:
Which of the following statements is not correct regarding matter?