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प्रश्न
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A solution of a metal in mercury is called ________
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उत्तर
A solution of a metal in mercury is called amalgam.
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संबंधित प्रश्न
Give a reason for Alkali metals are good reducing agents.
State five uses of metals
What is a thermite reaction? Explain with the help of an equation. State one use of this reaction.
What is an alloy? Give two examples of alloys.
Give reasons
Gold is mixed with copper and nickel.
Fill in the blank
_______ is a soft metal.
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.
Write name.
Molecular formula of the common ore of aluminium.
Write name.
The reagent that dissolves noble metals.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
State the position of the following in the periodic table:
Halogens
State why telegraph poles are painted with aluminium paint.
The metal which is liquid at room temperature is ______.
A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
Metals are usually solids or gases at room temperature.
The liquid metal at room temperature ______.
Which metal has the highest ductility?
Why do metals appear shiny?
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.
