variety resources on earth quiz

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    Chapter 4 Variety Resources On

    Earth

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    1. Name three resources on

    Earth.

    ____________________________________

    __________________

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    2. Name the resource of the

    following

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    3. Living things become the

    _____________sources for

    humans.

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    4. Elements is made up of

    ______________________.

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    5. Elements can be divided into 2

    groups :-

    a)_______________________

    b)

    _______________________

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    6. - Copper / Iron?

    - elements/ Compound ?

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    7. Silver / Gold ?

    Element/ Compound /

    Mixture ?

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    8. Which of the following is a

    compound?A) Carbon dioxide B)

    Bromine

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    9. Sodium is a metal. Give 3 characteristic ofmetals.

    ________________________

    ________________________________________________

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    10. Element, Compound, or Mixture?

    Salt

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    11. Element, Compound, or Mixture?

    Neon Gas

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    12. Element, Compound, or Mixture?

    Salad

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    13. Element, Compound, or Mixture?

    Pure Water

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    14. Element, Compound, or Mixture?

    Aluminum

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    15. Element, Compound, or Mixture?

    Lemonade

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    16. Element, Compound, or Mixture?

    Silver

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    17. Element, Compound, or Mixture?

    Sand

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    18.An unknown, clear liquid is given to you in abeaker. You transfer the liquid from the beaker

    to a clean, empty test-tube, and begin to heat it.

    After a while, you see vapours (which on further

    analysis you discover are vapours of water)

    rising from the test-tube, and pretty soon, all

    that's left are a few crystals of salt stuck to the

    edges!

    Was that liquid an element, compound or a

    mixture?

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    19. You have just won a block of pure 24-caratgold. Have

    you just procured an element, compound or

    mixture? Answer: (element, compound or mixture?)

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    20. A dish is given to you, which contains ablackish-yellow powder. When you move a

    magnet over it, you are amazed to see black

    particles, (which you find out are iron) fly

    upwards and get stuck to the magnet, and all

    that's left in the dish is a yellow powder, which

    you discover to be sulphur (sulfur).

    Was your original powder an element,

    compound or mixture?

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    21. A substance is analysed in a laboratory, andwhen viewed under an electron microscope, it is

    revealed that it contains only one kind of atom.

    Is the substance an element, compound or

    mixture?

    Answer: (element, compound or mixture?)

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    22. The air we breathe - is it an element,compound or mixture?

    Answer: (element, compound or mixture?)

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    23. A magnesium ribbon is burnt in the air,to form the greyish oxide of magnesium -

    magnesium oxide (MgO). Is this oxide an

    element, compound or a mixture?Answer: (element, compound or

    mixture?)

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    24. *Water* is what all life in theworld depends on. Is it an element,

    compound or mixture?

    Answer: (element, compound or

    mixture?)