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5 questions
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  • Q1

    1.  Physical Change in an object is a form of Chemical Reaction.

    false
    true
    True or False
    30s
  • Q2

    Production of gas bubbles is evidence of Chemical Reaction.

    true
    false
    True or False
    30s
  • Q3

    Mass is neither created nor destroyed in chemical reactions.

    true
    false
    True or False
    30s
  • Q4

    Combination reaction is when reactants combine to form a single product.

    true
    false
    True or False
    30s
  • Q5

    HCl+ NaOH ----→ NaCl + H2O is an example of Double displacement

    true
    false
    True or False
    30s

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