Subject :NSO Class : Class 9
Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9
The outer shell electrons in compound PQ3 are shown in the given figure.
Which of the following could be the correct
representation of elements P and Q?
| P | Q | No. of neutrons in P and Q | Valency of P and Q | |
| A | Cl | N | 7 and 15 | 3 and 3 |
| B | N | Cl | 5 and 17 | 5 and 3 |
| C | P | Cl | 16 and 18 | 3 and 1 |
| D | O | F | 8 and 9 | 2 and 1 |
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Subject :NSO Class : Class 4
Ans 5:
Class : Class 7
THIS IS NOT POSSIBLE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Because you can GOOGLE IT.......................................... MY OPINION- Kushagra Chaturvedi
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
The given graph shows the effect of pH on the activity of four different enzymes (P, Q, R and S). Which of the following correctly identifies enzyme found in the stomach, small intestine and one not affected by pH?
| Stomach | Small intestine |
Unaffected by pH |
|
| A | R | S | Q |
| B | S | P | R |
| C | P | R | Q |
| D | Q | S | P |