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प्रश्न
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Write a word equation for the chemical change, if any.
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उत्तर
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संबंधित प्रश्न
What are homogenous reactions ?
State four conditions necessary for chemical reactions to take place.
Copper carbonate when heated, it turns :
What do you understand by 'chemical reaction'?
Distinguish by heating the following in dry test tubs.
Copper Sulphate and copper carbonate
Select the correct answer for the following options:
The pale blue precipitated obtained when copper [II] sulphate reacts with sodium hydroxide.
Explain with the help of balanced equations, how precipitation reactions are used for identifying the positive radicals in three different salts, each having a different cation [positive ion].
Complete the statement by filling in the blank with the correct word:
The reddish-brown precipitate obtained during a double decomposition precipitation reaction between an iron salt and alkali is __________.
______ gas causes tears in our eyes while cutting onions.
Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.
