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Worksheetscompnents of food and sepration of substances
Total questions: 10
Worksheet time: 7mins
Name the property of the components used for separating the following mixtures:
1.salt and camphor
2. wheat and husk
3. iron fillings and saw-dust
4. coconut oil and water.
1.magnetic separation 2.sublimation 3.winnowing 4.separation funnel
1.sublimation 2.magnetic separation 3.winnowing 4.separation funnel
1.winnowing 2.magnetic separation 3.separation funnel 4.magnetic separation
1.sublimation 2.winnowing 3.magnetic separation 4.separation funnel
Carbohydrates can be tested by using
caustic soda
copper sulphate
fehling solution
iodine solution
Filtration is a method to separate the components of a
mixture of a liquid and an insoluble substance
solution
both a and b
pure substance
Which is the correct position of winnowing?
The air should be at the left hand side of the farmer.
The air should be at the right hand side of the farmer.
The air should be at the back of the farmer .
The air should be at the front of the farmer .
Raju's mother told him that most of the junk food contains lots of fats. Raju thinks that the amount of fats in a chocolate is very big. Is Raju right?
No. It contains large quantity of water.
No. It contains large quantity of carbohydrates.
Yes. It contains large quantity of fats
No. It contains large quantity of vitamins and minerals
Wounds take longer time to heal
(a)
what is happening
making salt
building sand castel
both a and b
nither a nor b
which of the following are they major nutreints
Fats
craboydrates
vitamins
roughage
Rahul has come up with a problem, he had to take a glass of milk to his grandmother, when he was on his way to his grandma, his friend came on the door and ringed the bell. Then he went to the door and opened. His friend told him that he has an extra pack of chalk powder and a pack of sparkles. He has to give these to someone, so he gave it to Rahul. Then Rahul took those packs and went to give his grandma the glass of milk, in the way he noticed that from both the packets the sparkles and chalk powder respectively were falling in the glass, so now can you help him find out which method should he use to separate them?
evaporation
decantation
filteration
seiving
Name the 3 main sources of carbohydrates?
rice, fish and potato chips
liver, butter and sugarcane
wheat, papaya and sweet potato
