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प्रश्न
State whether the following statement is true or false:
Non-metals react with dilute acids to produce a gas which burns with a 'pop' sound.
उत्तर
False. Metals react with dilute acids to produce hydrogen gas that burns with a 'pop' sound.
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संबंधित प्रश्न
Explain the following reaction with the help of a balanced chemical equation:
Magnesium reacts with hot water.
Fill in the following blank with suitable word:
Magnesium liberates ............... gas on reacting with hot boiling water.
Fill in the following blank with suitable word:
Ordinary aluminium strips are not attacked by water because of the presence of a layer of ................. on the surface of aluminium.
What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.
Why does aluminium not react with water under ordinary conditions?
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
What special name is given to substances like aluminium oxide.
State and explain the reaction, if any, of the following metals with a solution of copper sulphate:
(a) Gold
(b) Copper
(c) Zinc
(d) Mercury
A zinc plate was kept in a glass container having CuSO4 solution. On examining it was found that the blue colour of the solution is getting lighter and lighter. After a few days, when the zinc plate was taken out of the solution, a number of small holes were noticed in it. State the reason and give chemical equation of the reaction involved.
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
