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प्रश्न
State one use of Mercury.
उत्तर
Liquid mercury is used in thermometers.
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संबंधित प्रश्न
State one use of Silver.
Give two uses of Germanium
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
State two important uses of following metal
Uses of aluminium
State the position of the following in the periodic table:
Alkali metals
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Give the general characteristics of:
Alkaline earth metals with reference to
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Write the name.
Two highly reactive metals-
Higher Order Thinking Skills.
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- Formulate a hypothesis based on the information provided.
- Briefly state how you would test the hypothesis.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
