Chemistry - MOST IMPORTANT UPSC EPFO Previous Year Questions
Practice real questions from previous year exams of UPSC EPFO.
Combustion of a candle is a
Which of the following is a chemical compound?
Carbohydrates are stored in the body as
Which one of the following is not a Vitamin?
Which one of the following statements is not correct?
Which one of the following elements is not naturally found in human beings?
Assertion (A): Glycerol is a constituent of shaving cream.
Reason (R): Glycerol is an antiseptic.
Assertion (A): Phenol is commonly used as a disinfectant.
Reason (R): Phenol is not harmful to living human tissues even at a very high concentration.
Which of the following is detected and estimated by the Pollution Check' carried out on motor cars at service stations?
Assertion (A): The salinity of the open seas is very high compared to that of inland seas.
Reason (R): The water of rivers flowing into open seas contains dissolved salts.
Gun metal is an alloy of
The process used to produce Ammonia is :
The non-metal which exists in liquid state at room temperature is :
2007 Nobel prize for Chemistry was awarded to :
Which fuel has the highest Calorific Value ?
The term 'Carbon footprint' means
Which one of the following gases has the highest solubility in water?
Bio-remediation is a technology which is being extensively utilized in controlling
Which one of the following is the size of hydrogen atom?
Which one of the following substances, when added to water, will not change the pH?