Science & Technology

Organic chemistry is primarily the study of compounds containing which element?

The simplest hydrocarbon is?

Natural gas primarily consists of which hydrocarbon?

LPG (cooking gas) primarily consists of a mixture of?

The process of converting vegetable oils into solid fats (like vanaspati) by adding hydrogen is called?

Fermentation, a biochemical process, is commonly used in the production of?

Which organic compound is commonly known as "wood spirit"?

Which organic compound is present in alcoholic beverages?

Vinegar is a dilute solution of which acid in water?

Soap is chemically a salt derived from?

Which polymer is commonly used to make plastic bags and bottles?

Nylon is an example of a?

Natural rubber is obtained from the sap (latex) of which tree?

The process of heating natural rubber with sulfur to make it more durable and elastic is called?

Which gas is commonly used in fire extinguishers, as it does not support combustion?

Which toxic gas gives rotten eggs their characteristic smell?

Which gas is used to give soft drinks their fizz?

Photosynthesis converts carbon dioxide and water into glucose and?

Which gas, when combined with hemoglobin, forms a stable compound and causes poisoning by blocking oxygen transport?

Which of these is a common food preservative used to inhibit bacterial growth?

Which components give Portland cement its strength?

Among human emissions, which gas is chiefly responsible for the greenhouse effect and global warming?

DDT is an example of a?

Which vitamin does the human body synthesize upon exposure to sunlight?

Which of the following is commonly used as an antiseptic applied to wounds?