Subject :NSO Class : Class 5
Subject :NSO Class : Class 5
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Subject :NSO Class : Class 8
Match column I with column II and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| (a) |  |
(i) | 10 SI units |
| (b) |  |
(ii) | 2 SI units |
| (c) |  |
(iii) | –20 SI units |
| (d) |  |
(iv) | 22 SI units |
| Value of velocity of block Y | (v) | 30 SI units |
A(a) – (iii), (b) – (i), (c) – (ii), (d) – (v)
B(a) – (i), (b) – (ii), (c) – (iii), (d) – (v)
C(a) – (iii), (b) – (i), (c) – (ii), (d) – (iv)
D(a) – (ii), (b) – (i), (c) – (iii), (d) – (v)
what is the answer
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 7
__(i)__ is used in making baking powder and __(ii)__ is used as a food preservative. Identify (i) and (ii).
| (i) | (ii) | |
|---|---|---|
| A | Benzoic acid | Tartaric acid |
| B | Tartaric acid | Benzoic acid |
| C | Sulphuric acid | Quick lime |
| D | Hydrochloric acid | Sodium hydroxide |
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Subject :NSO Class : Class 10
Match column I with column II and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| P. | 2-Methylpropane | (i) | CH3COOCH2CH3 |
| Q. | Ethyl ethanoate | (ii) | (CH3)3COH |
| R. | Pentan-3-one | (iii) | CH3CH(CH3)2 |
| S. | 2-Methylpropan-2-ol | (iv) | (CH3CH2)2CO |
| P | Q | R | S | |
|---|---|---|---|---|
| A | (i) | (ii) | (iii) | (iv) |
| B | (iii) | (i) | (ii) | (iv) |
| C | (iii) | (i) | (iv) | (ii) |
| D | (i) | (iii) | (iv) | (ii) |