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Chemical Reacti...

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  • Question 1
    1 / -0

    Identify the type of chemical reaction.
    $$CaO(s) + SiO_{2}(s) \rightarrow  CaSiO_{3}(s)$$

  • Question 2
    1 / -0

    Write the balanced equation for the reaction for the following statement:

    Mg burns in presence of air.

  • Question 3
    1 / -0

    Identify the type of chemical reaction.
    $$TiCl_{4}(l) + Mg(s) \rightarrow  Ti(s) + MgCl_{2}(s)$$

  • Question 4
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    Complete the missing components/variables given as $$x$$  in the following reactions:
    $$CaCO_{3}(s) \xrightarrow{x} CaO(s) + CO_{2}(g)$$

  • Question 5
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    Ferrous sulphate decomposes with the evolution of a gas having a characteristic odour of burning sulphur. Identify the type of reaction.

  • Question 6
    1 / -0

    Which of the following reactions is an example of endothermic reaction?

  • Question 7
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    Which of the following is a decomposition reaction?

  • Question 8
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    A magnesium ribbon is burnt in oxygen to give a white compound $$X$$ accompanied by the emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound $$Y$$. Write the chemical formula of $$X$$ and $$Y$$:

  • Question 9
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    Identify the type of chemical reaction.
    $$H_{2}O_{2}(l) \xrightarrow{U  V} H_{2}O(l)+O_{2}(g)$$

  • Question 10
    1 / -0

    A chemical reaction in which heat is evolved is called a/an:

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