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Pratyush Chandra from Bal Bhavan Public School, New Delhi
Subject :NSO    Class : Class 8

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Anjisnu Raha from SBOA School and Junior College, Chennai
Class : Class 9
sea weed and bird only are in line with the laser. we can see only these.

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Preetha Joshi from ,
Subject :NSO    Class : Class 8

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Dr Anupa Ghosh from ,
Class : Class 8
Coal is a fuel with high carbon content derived from destructive distillation of coal.

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Preetha Joshi from ,
Subject :NSO    Class : Class 8

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Amitoj kaur kalsi from ,
Class : Class 8
correct answer is D because in the reactivity series,copper lies below hydrogen which means that hydrogen cannot be displaced by copper from its salt solution.

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Dr Anupa Ghosh from ,
Class : Class 8
The correct option is D. Because if you see the reactivity table copper is placed below hydrogen.So it is not more reactive than hydrogen and cannot replace it from its compound.

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Pramath Ram from Canara CBSE, Mangalore
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

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Pramath Ram from Canara CBSE, Mangalore
Subject :NSO    Class : Class 7

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Aaditya Gupta from Vidya Vikasini School ICSE, VASAI EAST
Class : Class 7
A

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y hitesh Mohan from the indian public school, Erode
Subject :NSO    Class : Class 5

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y hitesh Mohan from the indian public school, Erode
Subject :NSO    Class : Class 5

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Preetha Joshi from ,
Subject :NSO    Class : Class 8

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Dr Anupa Ghosh from ,
Class : Class 8
The use of electroplating is more widely seen in industries than electrolysis. Actually,decomposition of water is not so much required in industries than plating of metals.

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BEENA THOMAS from BCRS, Thiruvalla
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

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BEENA THOMAS from BCRS, Thiruvalla
Subject :NSO    Class : Class 7

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Riddhiman from Wis, Udaipur
Class : Class 8
The question is incomplete

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