Practice Chemistry GS Questions and Answers

• Heat stored in water vapour is –
• The device which transfer the signal from low resistance region to high resistance region is –
• Anemometer is used to measure –
• Who measured the velocity of light first?
• Flemings right hand rule is used to find the direction of the –
• Air coolers are more suitable for –
• Which of the following is arranged in order of decreasing conductivity?
• The sudden fall of atmospheric pressure indicates –
• What happens to a liquid, when the vapour pressure equals the atmospheric pressure?
• In nuclear reactor, heavy water is used as –
• What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius?
• Plants absorb dissolved nitrates from soil and convert them into
• Ball pen functions on the principle of :
• Red light is used for signals because it has –
• The washing machine works on the principle of -
• Newton's first law of motion gives the concept of –
• Which atmospheric layer contains ozone layer?
• Water from soil enters into the root hairs owing to :
• The height of a geo-stationary satellite from the Earth's surface is approximately :
• The weakest of all fundamental forces is –
• Anesthesia which is administered during the surgeries in the hospitals is a mixture of which of the following gases?
• The word “acid” comes from a ________ word.
• Bleaching powder is represented as ______.
• Which of the following relation is correct?
• Which of the following statement regarding Rutherford nuclear model is NOT correct?
• The chemical name of ______ is sodium hydrogen carbonate.
• Alkali metals have ______. I. low melting points II. low densities
• Which acid is found in vinegar?
• Which of the following is correct regarding isobars? I. They have different atomic numbers II. The have same mass numbers
• What is the colour of the outer zone of complete combustion of candle flame?
• Modern periodic table has ______ groups and ______ periods.
• Which of the following statement is/are true? I. Metal oxides are acidic in nature II. Non-metallic oxides are basic in nature
• Which of the following statement is/are true? I. Atomic radius increases in moving from left to right along a period. II. Atomic size increases down the ...
• What is the common name of sodium carbonate?
• Atomic number =
• Which of the following cannot be cut by a knife?
• Which of the following pair of element – atomicity is correct? I. Helium – monoatomic II. Oxygen – triatomic
• The insecticide gammexane is chemically known as:
• The percentage of nitrogen in urea is :
• 100 gram of ice at 0°C is mixed with 100 gram of water at 80°C. What will be the final temperature of the mixture ?