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Matter In Our Surroundings Free Doubts and Solutions

CBSE - IX - Chemistry - Matter in Our Surroundings

What are hydraulics

Asked by md775016 16th October 2017, 7:09 PM
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CBSE - IX - Chemistry - Matter in Our Surroundings

The newly discovered fifth state of matter is called?

Asked by md775016 13th September 2017, 6:31 PM
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CBSE - IX - Chemistry - Matter in Our Surroundings

Why do pigs toil in the mud during hot summer?

Asked by md775016 16th August 2017, 1:28 PM
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CBSE - IX - Chemistry - Matter in Our Surroundings

Why the density of ice is less than water?

Asked by md775016 16th August 2017, 1:10 PM
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CBSE - IX - Chemistry - Matter in Our Surroundings

Why water in a breaker rises up if we place a finger and it does not when sugar is mixed even though the particles have space between them

Asked by md775016 15th August 2017, 11:58 AM
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CBSE - IX - Chemistry - Matter in Our Surroundings

Explain how we can boil water by cooling with the help of experiment?Give reasons in support of answer.

Asked by abinash.gupta003 9th October 2016, 1:43 PM
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CBSE - IX - Chemistry - Matter in Our Surroundings

How we can separate a mixture of sulphur and carbon?Explain through a experiment.

Asked by abinash.gupta003 11th September 2016, 8:35 AM
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CBSE - IX - Chemistry - Matter in Our Surroundings

why do we sweat while doing work ?

Asked by eesatyam2013 18th July 2016, 7:06 PM
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CBSE - IX - Chemistry - Matter in Our Surroundings

Explain with the help of an activity that air contains water vapours.

Asked by Virender 27th April 2016, 5:53 PM
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CBSE - IX - Chemistry - Matter in Our Surroundings

A student was determining the melting point of ice in lab, the teacher found that student was not using stirer. Teacher ask the student to use stirer and then determining the melting point.
a. Is use of stirer necessary during heating?
b. What is the purpose of stirer?

Asked by Virender 25th April 2016, 8:47 PM
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