Advertisements
Advertisements
प्रश्न
Which of the following statements is not true?
पर्याय
Materials are grouped for convenience.
Materials are grouped to study their properties.
Materials are grouped for fun.
Materials are grouped according to their uses.
Advertisements
उत्तर
Materials are grouped for fun.
Explanation:
Materials are not grouped for fun. They are grouped for convenience, to study their properties and according to their uses in systematic manner.
APPEARS IN
संबंधित प्रश्न
Very Short Answer Type Question:
Is oil soluble in water?
Look at the pictures and identify the materials by which they are made of:
(paper, clay, glass, wood, plastic, metal rubber, wax
![]() |
|
![]() |
|
![]() |
| ____________ | ____________ | ____________ | ___________ | _____________ |
![]() |
![]() |
![]() |
![]() |
![]() |
| ____________ | ____________ | ____________ | ____________ | ____________ |
A notebook has lustre while an eraser does not.
Chalk dissolves in water.
Sand settles down in the water.
Smooth materials do not have ups and downs.
Materials which have ups and downs on their surface are called ______.
Pick one material from the following which is completely soluble in water.
While doing an activity in class, the teacher asked Paheli to handover a transluscent material. Which among the following materials will Paheli pick and give her teacher?
Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of flower, soil, copper sulphate crystals, glucose, wheat flour are some substances given to Paheli. She wants to know whether these substances are soluble in water or not. Help her in identifying soluble and insoluble substances in water.










