Subject :NSO Class : Class 2
Subject :NSO Class : Class 2
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 7
Ans 1:
Class : Class 9
I think the correct option is B since the explanation given is correct but ash can make the soil fertile as well which might help grow new trees to replace the old burnt ones. SOF please look into this.
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 7
Match column I with column II and select the correct option from the codes given below.
| Column I | Column II |
| (P) Dipping iron sheets in molten zinc | (i) Alloying |
| (Q) Prevents the iron surface to come in contact with moisture | (ii) Galvanisation |
| (R) Two or more metals are mixed in definite ratio to form a homogeneous mixture | (iii) Tinning |
| (S) Coating expensive utensils with tin | (iv) Painting |
A (P)-(iv), (Q)-(i), (R)-(ii), (S)-(iii)
B (P)-(iii), (Q)-(i), (R)-(ii), (S)-(iv)
C (P)-(ii), (Q)-(iv), (R)-(i), (S)-(iii)
D (P)-(i), (Q)-(iii), (R)-(ii), (S)-(iv)
electroplating
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Subject :NSO Class : Class 6
Ans 5:
Class : Class 7
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Subject :NSO Class : Class 3
– Assam
– Kashmir
– Uttar Pradesh
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Subject :NSO Class : Class 10