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Question
Vinegar dissolves in water.
Options
True
False
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Solution
This statement is True.
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Short Answer Type Question:
What is the basis for sorting materials?
Find the odd one.
brick, coir, silk cloth, pine apple
Look at the pictures and identify the materials by which they are made of:
(paper, clay, glass, wood, plastic, metal rubber, wax
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| ____________ | ____________ | ____________ | ___________ | _____________ |
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| ____________ | ____________ | ____________ | ____________ | ____________ |
Match the objects that are made of the same material.
| A | B | C |
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Sort the given objects as rough or smooth.
| Wet soap | Coir | Feather | Stone |
| ______ | ______ | ______ | ______ |
| Glass ball | Paperboard | Sand paper | Plastic spoon |
| ______ | ______ | ______ | ______ |
Choose the odd one:
Soft materials can be early compressed.
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 statements is not true?
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.
