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When a carpet is beaten with a stick, du...

When a carpet is beaten with a stick, dust comes out of it. Explain.

A

Newton's Ist law of motion

B

Newton's Ist 2aw of motion

C

Newton's Ist 3aw of motion

D

None of these.

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • When a carpet is beaten by a stick, the dust particles drop down according to :

    A
    Newton's 1st 1aw of motion
    B
    Newton's 1st 2aw of motion
    C
    Newton's 1st 2aw of motion
    D
    None of these.

  • When salicylic acid is heated with zinc dust, the product obtained is

    A
    Zinc salicylate
    B
    salicylaldehyde
    C
    Phenol
    D
    benzoic acid

  • When rubber is stretched and then released, it comes to its original state due to

    A
    cross links
    B
    hydrogen bonding
    C
    dipole-dipole forces
    D
    covalent bonding

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    When aqueous solution of sodium nitrate is heated with zinc dust and caustic soda, which of the following is the product ?

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