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CBSE Class 7 Science Free Doubts and Solutions

CBSE - VII - Science

Why does a curry stain turn red when it is washed with a detergent

Asked by Avinash4kavita 18th August 2019, 7:16 PM
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CBSE - VII - Science

How are acid and bases chemically different

Asked by Avinash4kavita 14th August 2019, 8:19 PM
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CBSE - VII - Science

Cactus is found in the desert of

Asked by rashidachulawala751 15th July 2019, 6:43 PM
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CBSE - VII - Science

what is acid ?  

Asked by vjkmr0357 30th June 2019, 8:17 AM
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CBSE - VII - Science

leaves and root of this plant are used to treatinsimnia sleep lessness

Asked by anil2551no1 14th May 2019, 9:38 PM
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CBSE - VII - Science

What is heat?write its types.

Asked by amitk8298 23rd March 2019, 1:00 PM
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CBSE - VII - Science

Difference between chemcial change and chemical property

Asked by Nimmi 10th March 2019, 12:20 AM
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CBSE - VII - Science - Motion and Time

Difference between hygrometer and rain gauge?

Asked by Vikasgoelac 9th March 2019, 8:59 PM
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CBSE - VII - Science - Wastewater Story

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CBSE - VII - Science

Practical based questions 

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