Senior KG Science Student Questions

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by AKSHAY GURU VARADHARAJAN · Class 5

Which of the following describes a physical change that is also irreversible?

Science Other 0 2 answers 0%
by AKSHAY GURU VARADHARAJAN · Class 5

Rohan wants to lift a heavy rock using a long wooden plank and a small stone as a fulcrum. To make his work easiest, where should he place the fulcrum?

Science Other 1 1 answers 100%
by AKSHAY GURU VARADHARAJAN · Class 5

A liquid 'X' was heated until it turned into gas 'Y'. Which of the following is true about the molecules in state 'Y' compared to state 'X'?

Science Other 0 0 answers 0%
by NITARA SEBASTIAN · Class 5

Which vitamin is usually produced when human skin is exposed to sunlight?

Science Human Body and Health 0 1 answers 100%
by NITARA SEBASTIAN · Class 5

Which is the hardest natural substance on the earth?

Science Matter 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

Sound waves are called mechanical waves because:

Science Sound 0 1 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

When an object moves in a circular path with constant speed, its motion is:

Science Motion 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

In Rutherford's gold foil experiment, most of the alpha particles passed straight through the foil. This led to the conclusion that:

Science Structure of Atom 0 1 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

An atom has an atomic number of 12. What is its valency?

Science Structure of Atom 0 1 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which subatomic particle was discovered by J.J. Thomson using the cathode ray experiment?

Science Structure of Atom 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which tissue is responsible for the increase in the girth (width) of a plant stem?

Science Tissues 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following cannot be broken down into simpler substances by chemical reactions?

Science Is Matter Around Us Pure 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following will show the "Tyndall effect"?

Science Is Matter Around Us Pure 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following is an example of a mixture?

Science Is Matter Around Us Pure 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

When a gas is compressed, what happens to the particles?

Science Matter in Our Surroundings 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

What is the SI unit of temperature?

Science Matter in Our Surroundings 0 1 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following has the strongest interparticle forces?

Science Matter in Our Surroundings 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following is not matter?

Science Matter in Our Surroundings 0 2 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following is a diatomic molecule?

Science Atoms and Molecules 0 1 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following is the correct pair of an atom and its symbol?

Science Atoms and Molecules 0 1 answers 100%

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