T1 - Matter Around Us English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

7th Standard

    Reg.No. :
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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. Oxygen, hydrogen, and sulphur are examples of which of the following?

    (a)

    Metals

    (b)

    Non-metals

    (c)

    Metalloids

    (d)

    Inert gases

  2. The metals which is a liquid at room temperature

    (a)

    Chlorine

    (b)

    Sulphur

    (c)

    Mercury

    (d)

    Silver

  3. The smallest unit of an element is _____________

    (a)

    atom

    (b)

    molecule

    (c)

    compound

    (d)

    none

  4. _________ can be formed by the same or different kinds of atoms.

    (a)

    Atom

    (b)

    Molecule

    (c)

    Gases

    (d)

    None

  5. A molecule containing three atoms is called a __________ molecule

    (a)

    monoatomic

    (b)

    diatomic

    (c)

    triatomic

    (d)

    polyatomic

  6. An atom of Oxygen (O) and two atoms of hydrogen (H2) combine to form a molecule of ____________

    (a)

    hydrogen

    (b)

    ozone

    (c)

    water

    (d)

    none

  7. Matter is its simplest form is called ______________

    (a)

    molecule

    (b)

    Metals

    (c)

    element

    (d)

    none

  8. _________ is used for making mobile phones

    (a)

    Sodium

    (b)

    Copper

    (c)

    Gold

    (d)

    Gallium

  9. _________ is the only non-metal that is liquid at room temperature.

    (a)

    Graphite

    (b)

    Carbon

    (c)

    Diamond

    (d)

    Bromine

  10. ___________ exhibit the properties of metals and non-metals.

    (a)

    Metalloids

    (b)

    Copper

    (c)

    Carbon

    (d)

    Nickle

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