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प्रश्न
Name the following:
A halogen which is a solid at room temperature.
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उत्तर
Iodine
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संबंधित प्रश्न
Give reasons for the following.
Sodium and potassium are stored in kerosene.
What happens when Iron nails are placed in copper sulphate solution?
Write word equations of the reactions involved.
Give a reason for Alkali metals are good reducing agents.
State five uses of metals
State one use of Mercury.
Name an alloy of lead and tin.
How are the properties of an alloy different from those of the constitutent elements?
Mention two uses of the following metals and non-metals
Iodine
Fill in the blank
A metal that gives dazzling effect to crackers when they explode is ______
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Salt of silver, such as ________ is used for making photographic films.
State two important uses of following metal
Uses of tin
State the position of the following in the periodic table:
Alkaline earth metals
State the position of the following in the periodic table:
Iron and zinc
Why are alkali metals kept in kerosene oil?
What is it made from? Why?
Electric cables
Write scientific reason.
Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.
A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.
Metals have high melting points.
Which metal has the highest ductility?
