Subject :NSO Class : Class 7
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
Ans 1:
Class : Class 8
Isn't C right? Calcium chloride is a dehydrating agent, it removes water vapour from air , no water means no rust. and in the statement it says "cause there is no H2O OR O2 it will not rust"
Ans 2:
Class : Class 9
does none of these mean none of the options are correct or none of the statements are correct?
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 6
Study the given list of source of water.
(i) Sea
(ii) Well
(iii) Stream
(iv) River
(v) Hand pump
(vi) Tube well
(vii) Ocean
(viii) Pond
(ix) Lake
Which of the following options correctly identifies the
numbers of source of surface water (X) and source of ground water (Y)?
| X | Y | |
|---|---|---|
| A | 6 | 3 |
| B | 7 | 2 |
| C | 5 | 4 |
| D | 3 | 6 |
?????
Ans 1:
Class : Class 9
answer is a because there are six source of surface water they are sea stream river ocean pond lake and three source of groundwater they are well hand pump and tube well
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 7
Rohan is going to school with his father by car. He decides to note the readings on the odometer of the car after every five minutes till he reaches the school. The given table shows the odometer readings of his journey.
| Time (am) | 7:30 | 7:35 | 7:40 | 7:45 | 7:50 |
| Odometer reading (km) |
36593 | 36596 | 36599 | 36602 | 36605 |
A5 m/s
B6 m/s
C10 m/s
D15 m/s
e