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प्रश्न
Aluminium is not used to make :
विकल्प
Foils
Wires
Fireworks
Utensils
उत्तर
Fireworks
APPEARS IN
संबंधित प्रश्न
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
State one use of Copper.
Mention two uses of the following metals and non-metals
Iodine
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 gold
State two important uses of following metal
Uses of zinc
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Oxygen
Write name.
The oxide that forms salt and water by reacting with both acid and base.
When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time. Why does this happen? Write the chemical equation.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X
State the position of the following in the periodic table:
Halogens
With reference to the following metals state their use in daily life metal:
Silver
Give a reason why a green deposit is seen on the surface of an article of copper
Name the following:
A halogen which is a solid at room temperature.
Complete the following flowchart.
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
Name two soft metals which can be cut with a knife.
Which of the following metals can displace the other two metals from their salt solutions?
| Zinc | iron | copper |
