Advertisements
Advertisements
प्रश्न
Name the metal which has been placed just below copper in the reactivity series.
Advertisements
उत्तर
Mercury (Hg)
APPEARS IN
संबंधित प्रश्न
Write the chemical reaction when iron reacts with dilute H2SO4.
Write an equation for the reaction of:
Sodium with oxygen
What will happen if a strip of zinc is immersed in a solution of copper sulphate?
Give reasons for the following:
Blue colour of copper sulphate solution is destroyed when iron filings are added to it.
Complete and balance the following equation:
\[\ce{Na + O2 ->}\]
Complete and balance the following equation:
\[\ce{Cu(NO3)2_{(aq)} + Zn_{(s)} ->}\]
Magnesium liberates ______ gas on reacting with hot boiling water.
With the help of examples, describe how metal oxides differ from non-metal oxides.
How do metals react with hydrogen? Explain with an example.
What is the action of water on magnesium? Write equations of the chemical reactions involved.
Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.
Write the equation for the reaction of:
Aluminium with dilute hydrochloric acid.
Name the products formed in the given case. Also indicate the physical states of all the substances involved.
Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?
The least reactive metal among the following is:
Which one of the following four metals would be displaced from the solution of its salt by the other three metals?
An element is soft and can be cut with a knife. It is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be ______.
An element X forms two oxides XO and XO2. The oxide XO has no action on litmus solution but oxide XO2 turns litmus solution red.
- What is the nature of oxide XO?
- What is the nature of oxide ХО2?
- Would you call element X a metal or a non-metal? Give reason for your choice.
- Can you give an example of element like X?
Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.
Tungsten wire is used in electric bulbs.
