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प्रश्न
Name two metals which cannot displace hydrogen from dilute acids.
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उत्तर
- Copper
- Silver
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संबंधित प्रश्न
Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
The reaction of an iron nail with copper sulphate solution is ........... reaction.
(a) Combination
(b) Displacement
(c) Double displacement
(d) Decomposition
From amongst the metals sodium, calcium, aluminium, copper and magnesium, name the metal:
- which reacts with water only on boiling, and
- another which does not react even with steam.
What will happen if a strip of zinc is immersed in a solution of copper sulphate?
What will happen if a strip of copper is kept immersed in a solution of silver nitrate (AgNO3)?
Complete and balance the following equation:
\[\ce{Fe_{(s)} + H2O_{(g)} ->[Red heat]}\]
Magnesium liberates ______ gas on reacting with hot boiling water.
How do metals react with hydrogen? Explain with an example.
How do non-metals react with hydrogen? Explain with an example.
Write the equation for the reaction of:
Magnesium with dilute hydrochloric acid.
Name the products formed in the given case. Also indicate the physical states of all the substances involved.
Name one metal more reactive than hydrogen.
Name one metal which displaces copper from copper sulphate solution.
You are given a solution of AgNO3. Which of the following do you think cannot displace Ag from AgNO3 solution?
The elements whose oxides can turn litmus solution red are ______.
What is the cause of chemical bonding (or chemical combination) of atoms of elements?
Choose the correct alternative and rewrite the following:
Reaction of iron nails whith copper sulphate solution is an example of _____________________
Rewrite the following statement by selecting the correct option.
A solution of Al2(SO4)3 in water is _____________.
The substance that will be flattened on beating with a hammer is ______.
Find the odd one out:
