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प्रश्न
Mention two uses of the following metals and non-metals
Gold
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उत्तर
It is used for making ornaments and coins.
It is used in the manufacture of electronic devices like computers, telephones, home appliances, etc.
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संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Copper displaces zinc from zinc sulphate solution. ( )
Give a reason for Alkali metals are good reducing agents.
Which property of graphite is utilised in making electrodes?
What is an amalgam?
Give two uses of Germanium
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
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Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
State two important uses of following metal:
Uses of silver
State the position of the following in the periodic table:
Alkaline earth metals
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Write scientific reason.
Generally the ionic compounds have high melting points.
Soft metal : Na : : hard metal : _______
Complete the following flow chart.
Metals are usually solids or gases at room temperature.
Which of the following is not a metal?
The metal can be cut with a knife ______.
The typical shine of metals is called ______.
All gases are ______.
