Science Student Questions

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by GIANSH GUPTA KHUNDKER · Class 9

Which condition is most favorable for converting gas into liquid?

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

Which law is also known as the law of inertia?

Science Motion 0 0 answers 0%
by KRITARTH AGARWAL · Class 4

What is the chemical formula of water?

Science Other 0 3 answers 67%
by NITARA SEBASTIAN · Class 5

What is the chemical formula of carbon dioxide?

Science Other 1 3 answers 100%
by KRITARTH AGARWAL · Class 4

Which of these is a part of the digestive system?

Science Food and Digestion 0 4 answers 100%
by AKSHAY GURU VARADHARAJAN · Class 5

A plant was kept in a dark room for 48 hours and then its leaves were tested for starch using iodine. What will be the result and why?

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

Identify the correct path of a piece of food as it travels through the human digestive system:

Science Other 0 1 answers 100%
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 0 0 answers 0%
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%

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