Subject :NSO Class : Class 3
Subject :NSO Class : Class 3
Ans 6:
Class : Class 5
Everyone thinks that a option is correct but it is wrong.The correct answer is d part.Everyone will think that chocolate is junk food.How can it give us the energy but chocolate contains fat.That's why when when we are hungry it gives us a lot of energy
Ans 7:
Class : Class 2
Fruits (2) contain minerals and vitamins and are protective food. They help in recovering from illness. Overeating of fried food (1) leads to obesity as it contains fat that gets stored in the body. Chocolates (3) contain a lot of carbohydrates which give us energy when hungry.
Post Your Answer
Subject :NSO Class : Class 7
Ans 15:
Class : Class 7
All the given factors are required for a fair test ; So option D would be the correct answer
Ans 20:
Class : Class 8
shape of dish also should be included. Amount of water poured doesnt matter as long as you are collecting equal volume in all dishes. Hence similar dishes is important.
Post Your Answer
Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
Yes ,Because chemical means change in the properties but there is no change .The answer is A
Ans 2:
Class : Class 7
A is correct because it just turns hard but it is still clay only.And also chemical change doesn't mean that it is irreversible,Chemical change means that the identity of the substance we started with is lost.Here the identity is not lost.So A is correct.
Ans 3:
Class : Class 9
C,because- it is a chemical change. after baking we can break it into smaller particles but it won't form the same clay, with same properties again
Ans 9:
Class : Class 6
C because we can get clay back from a wet pot by smashing it,but once it heats up, it dries the clay and makes it stone hard.
Ans 11:
Class : Class 6
on heating, the clay pot doesn't turn into stone,right?it doesn't change composition once heated , it is still clay ! answer is "A"
Post Your Answer
Subject :NSO Class : Class 7
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 6
Post Your Answer
Subject :NSO Class : Class 6
Post Your Answer
Subject :NSO Class : Class 7
Saurabh burned two different fibres X and Y in order to identify them. X smelt like burning paper while Y smelt like burning hair. Which of the following options correctly identifies the two fibres?
X | Y | |
(A) | Wool | Silk |
(B) | Cotton | Rayon |
(C) | Cotton | Silk |
(D) | Silk | Wool |