Question Bank
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Which of the following is a non-crystalline form of carbon?
Which gas is evolved when calcium carbonate reacts with dilute hydrochloric acid?
What happens to the weight of an iron nail when it burns in the presence of air?
Which element is the backbone of organic chemistry?
How many double bonds are present in a molecule of Ethane?
Which substance is used to test the presence of Carbon dioxide?
The ability of carbon to form long chains by linking with other carbon atoms is called:
Which fuel is mainly composed of methane and is stored under high pressure?
What is the percentage of carbon in the Earth's atmosphere approximately?
Which of the following contains the highest percentage of carbon?
The process of heating coal in the absence of air to obtain useful products is:
Which gas is produced when charcoal burns in a limited supply of air?
A buckyball (Buckminsterfullerene) consists of how many carbon atoms?
Which functional group is present in organic acids like vinegar?
Which form of carbon is used to make the core of pencils?