Subject :NSO Class : Class 3
What fraction of the figure is not shaded ?
Subject :NSO Class : Class 2
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 10
Ans 1:
Class : Class 10
B) II,III,IV
CARBON can reduce oxides of metals lower in the activity series.
K, Ca and Mg are high in the activity series so they are very reactive so they can not be found in free state easily.
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 7
The iodine test is used to test for the presence of starch. Starch is a type of carbohydrate. Now, let’s see which of the following food products have starch, and will give positive iodine test: A. Milk and Pulses ----- Milk and Pulses are rich in proteins, so they will not give positive iodine test. B. Rice and Wheat ----- Rice and Wheat are grains, which are rich in carbohydrates. So, they will have starch and give positive iodine test. C. Banana and Coconut Oil ----- Banana is rich in carbohydrates, so it will give positive iodine test. But Coconut Oil is rich is fats, so it will not give positive iodine test. D. Potato and Ghee ----- Potato is rich in carbohydrates, so it will give positive iodine test. But Ghee is rich is fats, so it will not give positive iodine test. Hence, the correct answer is Option B, since both Rice and Wheat will give positive iodine test.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6