1 Answers
Talk Doctor Online in Bissoy App
Calculate the amount of carbon dioxide that could be produced when 1 mole of carbon is burnt in air.
Answer: The balanced reaction of combustion of carbon can be written as: C + O2 ----------------> CO2 1 1 1 (i) As per the balanced equation, 1 mole of carbon burns in 1 mole...
1 Answers 1 views
Mention the two processes in which oxygen is used up from the atmosphere and the only process in which it is returned to the atmosphere.
(i) Respiration and Combustion (ii) Photosynthesis
1 Answers 1 views
The two forms of oxygen found in the atmosphere are (a) water and ozone (b) water and oxygen (c) ozone and oxygen (d) water and carbon-dioxide
(c) ozone and oxygen
1 Answers 1 views
Why does the percentage of gases like oxygen, nitrogen and carbon dioxide remain almost the same in the atmosphere?
The percentage of gases like oxygen, nitrogen and carbon dioxide remain almost the same in the atmosphere because cycling of these gases maintains consistency.
1 Answers 1 views
When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon dioxide is produced.
Carbon + Oxygen → Carbon dioxide 3g of carbon reacts with 8 g of oxygen to produce...
1 Answers 1 views
If 12 gm of carbon is burnt in the presence of 32 gm of oxygen, how much carbon dioxide will be formed?
The law of conservation of mass states that mass can neither be created nor destroyed or mass of reactants is always equal to that of products. C + ...
1 Answers 1 views
(a) Name the only artery that carries carbon dioxide-rich blood.
(a) Pulmonary artery (b) It is so because arteries carry blood away from the heart.
1 Answers 1 views
Suggest a few measures for controlling carbon dioxide levels in the atmosphere...
(a) Reduce the consumption of petrol in the automobiles. (b) Use of CNG or clean fuel. (c) Instead of burning litter prepare manure out of it. (d) Treatment of smoke to remove harmful...
1 Answers 1 views
Carbon exists in the atmosphere in the form of (A) carbon monoxide only (B) carbon monoxide in traces and carbon dioxide
(C) carbon dioxide only
1 Answers 1 views
The major constituent of atmosphere by per cent is (i) Nitrogen (ii) Oxygen (iii) Carbon dioxide
(i) Nitrogen
1 Answers 1 views