MCQ
What does the incomplete combustion of a fuel give?
- ✓$CO$
- B$CO_2$
- C$SO_2$
- DOxides of nitrogen
✓
Answer
Correct option: A.
$CO$
When a fuel (carbon) undergoes incomplete combustion, carbon monoxide is formed. It is a poisonous gas and fatal, if inhaled.
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
Which of the following is used for manufacturing of steel?
Incomplete combustion of fuel such as petrol and diesel gives:
Some villagers were unhappy that their herds of goats were steadily decreasing in numbers. A boy said that he had seen a tiger near their village one day. So the villagers headed out to hunt and kill as many tigers as they could find. After having killed several tigers for over a year, the villagers found that the number of goats were still decreasing. There was also a sudden increase in the number of monkeys that entered their village. The villagers had killed the wrong animal. Which of the following shows the impact of the villagers' action?
$i.$ The population of the unknown predator increased.
$ii.$ The tiger population went down and became endangered.
$iii.$ The monkey population increased to unmanageable levels.
→$i.$ The population of the unknown predator increased.
$ii.$ The tiger population went down and became endangered.
$iii.$ The monkey population increased to unmanageable levels.
Which of the following properties of plastic makes it most convenient for use?
Poor conductors are:
The friction between two surfaces does not depend on one of the following. This one is:
A brick is kept in three different ways on a table as shown in Figure The pressure exerted by the brick on the table will be:
Microorganism is used for the production of medicines and vaccines. Thus, they are the source of antibiotics. The first ever antibiotics was made by Alexander Fleming in $1929$. Which one of the following antibiotics was first made by him?
→The force exerted by our muscle is called:
Who discovered the vaccine for smallpox?