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प्रश्न
From what material is the following made up of?
Test tube holder
उत्तर
The test tube holder is made up of an iron clamp at the front and wood or plastic handle at other ends.
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Answer the following question in brief:
Why are most apparatus made of glass?
Fill in the blanks:
The glass apparatus is made of _____ or _____ glass.
Match the words in Column A with their respective functions in Column B.
| Column A | Column B |
| (a) Iron stand | (i) To boil chemicals |
| (b) Test tube | (ii) To keep solution |
| (c) Funnel | (iii) To stir the solution |
| (d) Beaker | (iv) To support apparatus |
| (e) Glass rod | (v) To transfer the liquids |
Choose the correct alternative from the options given for the following statement.
To pass gas from one vessel to another, you will use
Write true or false against the following statement and correct it if false.
A round-bottom flask is used to store chemicals.
Write true or false against the following statement and correct it if false.
A glass rod is used to stir solutions.
