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Chemistry Test-...

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  • Question 1
    4 / -1

    Reacting with water, a metal produces:

  • Question 2
    4 / -1

    A hydrocarbon has molecular formula C2H6. Which of the class of hydrocarbons cannot have this formula?

  • Question 3
    4 / -1

    The substance used in birth control pills is:

  • Question 4
    4 / -1

    Which of the following types of nylon comes under the category of biodegradable polymers?

  • Question 5
    4 / -1

    Total pressure of a gaseous mix is equal to the sum of the Partial Pressures is:

  • Question 6
    4 / -1

    A radioactive source in the form of metal sphere of diameter \(10^{-3} m \) emits beta particle at a constant rate of \(6.25 \times 10^{10} \) particles per second. If the source is electrically insulated, how long will it take for its potential to rise by \(1.0\) volt, assuming that \(80 \%\) of the emitted beta particles escape from the source?

  • Question 7
    4 / -1

    Match the following:

  • Question 8
    4 / -1

    Identify the Incorrect statement among the following regarding Brownian movement.

  • Question 9
    4 / -1

    Actinium \(231\), \({ }^{231} Ac _{89}\), emit in succession two \(\beta\)-particles, four \(\alpha\), one \(\beta\) and one \(\alpha\) plus several \(\gamma\) rays. What is the resultant isotope?

  • Question 10
    4 / -1

    Solubility of a gas in liquid increases with:

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