Chemistry - MOST IMPORTANT Bihar Police Constable Previous Year Questions
Practice real questions from previous year exams of Bihar Police Constable.
When metals react with air, what will be the name of the product formed?
Which of the following, when in solid form, is also known as dry ice?
In which of the following phenomena does the solid state change directly into the gaseous state without changing into the liquid state?
Which of the following reactions is not an exothermic reaction?
During sudden physical activity, the accumulation of which substance in our muscles causes cramps?
In chemical industries, how is bleaching powder used?
What happens when food items containing fats and oils are kept out for a long time?
Which of the following is not an example of an oxidation reaction?
What is the molecular weight of heavy water?
In a neutralization reaction, a new substance is formed, which is called ______.
The common name of Sodium Bicarbonate is ______.
What do farmers add to neutralize the effect of acidity on the soil?
Which of the following chemicals is known as Vitamin C?
Which gas contributes the most to the greenhouse effect?
How is butter separated from milk?
Carbon-containing compounds with carbon-carbon double bonds are known as ______.
Which of the following is a chemical effect of electric current?
Which of the following metals does not react with dilute hydrochloric acid?
What is the pH value of water?
What is 'Kalpakkam' in Tamil Nadu famous for?