Question
Will the tiny air bubbles seen before the water actually boils, also appear if we do this activity by reheating boiled water kept in an airtight bottle?
✓
Answer
No. The bubbles are because of the air present in water. In an airtight bottle, no air is present.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Circulation of water between ocean and land is a continuous process or discontinuous process?
What is the importance of spices in our food?
Do animals move?
A rollercoaster track is made in the shape shown in Fig. $5.19$. A ball starts from point $A$ and escapes through point $F$. Identify the types of motion of the ball on the rollercoaster and corresponding portions of the track.
→Name the component of air used by plants to make their food.
Does the direction of shadow change during the day? Does the length of shadow also change from season to season?
Why is the shadow of an aeroplane flying high in the sky not seen on the ground?
What is $X$-ray?
→All metals are good conductors. Is the statement true? Give example.
What is melting?