7th Standard English Medium Science Subject T1 - Matter Around Us Book Back 2 Mark Questions with Solution Part - I

7th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. What do you understand by chemical formula of a compound? What is its significance?

  2. Define the following terms with an example of each:
    a. Element
    b. Compound
    c. Metal
    d. Non-metal
    e. Metalloid

  3. Write the symbols for the following elements and classify them as solid, liquid and gas.
    Aluminum, carbon, chlorine, mercury, hydrogen and helium

  4. Classify the following as metals, non-metals and metalloids .
    Sodium, Bismuth, Silver, Nitrogen, Silicon, carbon, chlorine, Iron, copper.

  5. Classify the following as elements and compounds.
    Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium

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