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 SCIENCE QUIZ :: 01 :: 02 :: 03 :: 04 :: 05 :: 06 :: 07 :: 08 :: 09 :: 10 :: 11 :: 12 :: 13
 

Science Quiz 05

  1. Elements in the modern periodic table are arranged on the basis of their...?

    Atomic Mass

    Atomic Number

    Boiling Point

    Chemical Symbols alphabetically

  2. Elements in the same group have similar...?

    Atomic masses

    Chemical properties

    Atomic radii

    Atomic numbers

  3. The horizontal rows in a periodic table are called...?

    Groups

    Lanthanides

    Periods

    Atomic Structures

  4. The law that "the properties of elements are periodic functions of their atomic numbers" was given by...?

    Linus Pauling

    Mendeleev

    Heisenberg

    Moseley

  5. The first element in the modern periodic table is...?

    Hydrogen

    Lithium

    Oxygen

    Helium

  6. With which metal does oxygen combine to form rust?

    Iron

    Platinum

    Gold

    Silver

  7. Rust on iron is basically...?

    An oxide

    A nitride

    A chloride

    A sulphide

  8. Which of the following metals is often found in the pure state?

    Iron

    Aluminum

    Gold

    Magnesium

  9. Metals that can be easily beaten into sheets are known as _______ metals.

    Beatable

    Polymer

    Malleable

    Ductile

  10. Rocks that are rich in metals are known as...?

    Metalloids

    Allotropes

    Slag

    Ores

  11. Which metal is extracted from the ore 'bauxite'?

    Magnesium

    Iron

    Tungsten

    Aluminum

  12. Which of the following does not belong to this group?

    Iron

    Sodium

    Oxygen

    Lead

  13. Fill in the missing word: _________ + oxygen = Magnesium oxide

    Carbon

    Metal

    Magnesium

    Manganese

  14. Which of the following is a pure substance made up of one type of atoms?

    A mixture

    An element

    A compound

    An atom

  15. Stainless steel is a an alloy of _______, _______, chromium, and nickel.

    Copper, zinc

    Aluminum, tin

    Iron, carbon

    Lead, magnesium

  16. Which of the following is a pure substance made up of two or more types of atoms or elements?

    A mixture

    An element

    A compound

    An atom

  17. Copper sulfate can be further subdivided into simpler substances by chemical means only. Therefore, it is...?

    A compound

    A mixture

    An element

    An atom

  18. Which of the following is the smallest part of a compound, whose properties are the same as those of the compound?

    Molecule

    Mixture

    Element

    Atom

  19. Which of the following is an impure substance made up of two or more types of atoms or elements?

    Element

    Mixture

    Compound

    Molecules

  20. Fill in the missing word: Acid + _______ = Salt + Water

    Metal

    Non Metal

    Base

    Oxygen

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