Advertisements
Advertisements
प्रश्न
A mixture of oxygen and carbon dioxide used for artificial respiration.
Advertisements
उत्तर
Carbogen
APPEARS IN
संबंधित प्रश्न
What do you observe when Magnesium is heated and then tested with moist blue and red litmus – paper?
State two differences between:
Rusting and burning.
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
Tick (√ ) the most appropriate answer.
Galvanising is the process of coating iron with a layer of molten :
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
Describe simple experiments to show the presence of -
carbon dioxide in air using a test tube with outlets containing lime water.
Describe simple experiments to show the presence of -
water vapour in air using a glass tumbler and ice.
Give the main experimental points only to demonstrate that magnesium.
Give reason for the following:
Acid rain has caused damage to heritage structures such as the Taj Mahal.
In Rockets, along with fuel, oxygen is also carried for combustion – why?
