Advertisements
Advertisements
Question
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.
Solution
Soluble and insoluble substances in water-
Salt, sugar, honey glucose, copper sulphate crystals are all soluble in water.
Mustard oil, sawdust, sand, wheat flour, petals of a flower, chalk powder and soil are all insoluble in water.
APPEARS IN
RELATED QUESTIONS
Very Short Answer Type Question:
Why do we need to group materials? Give one reason.
Short Answer Type Question:
What is the basis for sorting materials?
Materials which can be bent or stretched easily are called ______.
Match the objects that are made of the same material.
| A | B | C |
 |
 |
 |
 |
 |
 |
 |
 |
 |
Select those objects from the following which shine:
Glass bowl, plastic toy, steel spoon, cotton shirt
Smooth materials do not have ups and downs.
What is material?
Fill in the blanks to complete the following paragraph.
The name of the product formed in the reaction of sulphur and ______ is sulphur dioxide gas. When sulphur dioxide is dissolved in ______, sulphurous acid is formed. The sulphurous acid turns ______ litmus paper to ______. Generally, oxides of ______ are acidic in nature.
After completing the paragraph, write two questions which you can raise on the basis of this information.
Which of the following materials is not lustrous?
Which of the following statements is not true?
