Advertisements
Advertisements
प्रश्न
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Mountaineers carry oxygen ______ with them, while climbing high mountains.
Advertisements
उत्तर
Mountaineers carry oxygen cylinders with them while climbing high mountains.
APPEARS IN
संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
Give a reason why water droplets appear on the outer surface of a tumbler containing ice.
The diagrams below represents an experiment to show the presence of a component of air.
- State why air is sucked from – outlet ‘B’ and not from outlet “A”
- State why the air is sucked ‘slowly’ from the outlet “B”
- State the observation seen after completion of the experiment.
- State the reason for the above observation seen.
- Name another component which if present in air as a pollutant would have given a similar observation
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Photosynthesis is a process by which green plants prepare their own food in the presence of sunlight and chlorophyll.
Give word equation for the following conversion:
Nitric acid to soluble nitrates in the soil
Nitrogen is used in the food packaging industry because it _____.
Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?
Venus's atmosphere consists of roughly 96 – 97% of ______.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Carbon dioxide
