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Showing: Class 7 (348 questions)

by Y.JESSICA GEONA RAJ · Class 7

A stone is placed in water. The water level increases. This is because:

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by Y.JESSICA GEONA RAJ · Class 7

When 10g of salt is completely dissolved in 100g of water, the resulting salt solution will have a mass of:

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by Y.JESSICA GEONA RAJ · Class 7

Which of the following mixtures is best separated by filtration?”

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by Y.JESSICA GEONA RAJ · Class 7

The point at which no more sugar dissolves is called:

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by Y.JESSICA GEONA RAJ · Class 7

A student pours oil into a glass of water and notices that the oil forms a separate layer. This means oil and water are:

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by Y.JESSICA GEONA RAJ · Class 7

A solid is placed in a beaker of water and it sinks. What can be concluded about the solid?

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by Y.JESSICA GEONA RAJ · Class 7

Which of the following is a standard unit of measurement?

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by Y.JESSICA GEONA RAJ · Class 7

Motion of a top is an example of ______ motion.

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by Y.JESSICA GEONA RAJ · Class 7

Bholu and Golu are playing in the ground. They start running from the same point A in the ground and reach point B at the same time by following paths 1 and 2. Which of the following is/are true?

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by Y.JESSICA GEONA RAJ · Class 7

Seema moves on a straight road from point A to point C. She takes 20 minutes to cover AB and 30 minutes for BC. She returns in same time. She makes 5 rounds the same way. Seema concludes that her motion is:

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by Y.JESSICA GEONA RAJ · Class 7

Object A is moving in circular motion and object B is moving in linear motion. Which of the two is in translatory motion?

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by Y.JESSICA GEONA RAJ · Class 7

Three objects have densities: A = 0.7 g/cm³, B = 1.2 g/cm³, C = 0.95 g/cm³. A. Which will float in water?

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by Y.JESSICA GEONA RAJ · Class 7

Assertion (A): All liquids take the shape of their container. Reason (R): Liquids flow because their particles are loosely packed.

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by Y.JESSICA GEONA RAJ · Class 7

Assertion (A): Mass remains constant in a closed system. Reason (R): Matter cannot be created or destroyed.

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by Y.JESSICA GEONA RAJ · Class 7

Assertion (A): Sugar dissolves faster in hot water. Reason (R): Heating increases the speed of water particles.

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by Y.JESSICA GEONA RAJ · Class 7

Which of the following is an example of sublimation seen in daily life?

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by Y.JESSICA GEONA RAJ · Class 7

Ravi added 10 g sugar to 100 mL water. It dissolved fully. He added more sugar until no more could dissolve. The point at which no more sugar dissolves is called:

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by Y.JESSICA GEONA RAJ · Class 7

A piece of metal sinks in water but floats in mercury. This shows that:

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by Y.JESSICA GEONA RAJ · Class 7

A stone is placed in water. The water level increases. This is because:

Science Other 0 0 answers 0%
by Y.JESSICA GEONA RAJ · Class 7

When 10g of salt is completely dissolved in 100g of water, the resulting salt solution will have a mass of:

Science Other 0 0 answers 0%

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