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प्रश्न
Write an equation for the reaction of hydrochloric acid on copper oxide.
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उत्तर
\[\ce{CuO + 2HCl -> CuCl2 + H2O}\]
संबंधित प्रश्न
State one relevant observation for given reactions:
Action of dilute Hydrochloric acid on iron (II) sulfide.
Complete the following by selecting the correct option from the choices given:
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________. (Al/Cu/Zn/Fe)
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
Write an equation for the reaction of hydrochloric acid on zinc carbonate.
State the composition of aqua regia. State which component is the oxidizing agent in aqua regia.
What would happen if
Calcium oxide is used to dry hydrogen chloride.
What is the function of HCI in preparation of aqua-regia?
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
Select from the list given (a to e) one substances in each case which matches the description given in parts (i) to (v). (Note : Each substance is used only one in the answer)
(a) Nitroso Iron (II) Sulphate
(b) Iron (III) chloride
(c) Chromium sulphate
(d) Lead (II) chloride
(e) Sodium chloride
(i) A compound which is deliquescent
(ii) A compound which is insoluble in cold water, but soluble in hot water
(iii) The compound responsible for the brown ring during the brown ring test of nitrate iron
(iv) A compound whose aqueous solution is neutral in nature
(v) The compound which is responsible for the green colouration when sulphur dioxide is passed through acidified potassium dichromate solution
The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.
