Subject :NSO Class : Class 5
Subject :NSO Class : Class 3
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 7
The television converts electrical energy into sound and light. Also, television sets get warm because they produce some unwanted heat energy. So, R is the required answer.Hence option C is the correct answer.
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Subject :NSO Class : Class 7
A few acids and bases are listed in the box.
Which of the following correctly classifies these acids and bases?
| Strong acid |
Strong base |
Weak acid |
Weak base |
|
|---|---|---|---|---|
| A | (iii), (vii) | (iv), (vi) | (i), (viii) | (ii), (v) |
| B | (ii), (iv) | (i), (iii) | (v), (vii) | (vi), (viii) |
| C | (i), (vii) | (ii) | (iii), (viii) | (iv), (v), (vi) |
| D | (i), (vii) | (vi) | (iii), (viii) | (ii), (iv), (v) |
Calcium carbonate isn't a strong base ???
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Subject :NSO Class : Class 4