Advertisements
Advertisements
प्रश्न
Fill in the blank
A ________ substance has only one kind of matter.
Advertisements
उत्तर
A pure substance has only one kind of matter.
APPEARS IN
संबंधित प्रश्न
How can you separate iron metal from non-magnetic impurities ?
Fill in the blank
Clay is separated from water by the method called ______
Select the correct answer from the choice given below to complete the sentence :
A soluble solid is separated from an insoluble solid by ____________.
Very Short Answer Type Question:
You are given a mixture of salt and sand. Can you separate them by picking?
How can husk or fine dust particles be separated from rice before cooking?
Why do we separate mixtures?
Malar’s mother was preparing to cook dinner. She accidentally mixed ground nuts with urad-dhal. Suggest a suitable method to separate the two substances so that Malar can have ground nuts to eat.
Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?
State whether the following statement is true or false.
A mixture of oil and water can be separated by filtration.
Match the mixtures in column I with their method of separation in column II.
| COLUMN I | COLUMN II | ||
| (a) | Oil mixed in water | (i) | Sieving |
| (b) | Iron powder mixed with flour | (ii) | Hand picking |
| (c) | Salt mixed with water | (iii) | Decantation |
| (d) | Lady’s finger mixed with french beans | (iv) | Magnet |
| (e) | Rice flour mixed with kidney beans | (v) | Evaporation |
