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प्रश्न
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
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उत्तर
K2Cr2O7 reacts with hydrochloric acid to give a coloured solution.
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संबंधित प्रश्न
Write balanced chemical equations to show The behavior of H2SO4 as an acid when it reacts with Magnesium
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
State your observations when Dilute Hydrochloric acid is added to Copper carbonate
Write an equation for the reaction of hydrochloric acid on copper oxide.
Give three distinct test [apart from using an indicator] you would carry out with solution of HCl to illustrate the typical properties of an acid.
What is the function of HCI in preparation of aqua-regia?
What must be added to sodium chloride to prepare hydrogen chloride?
Give a chemical test to distinguish between the following pair of compounds:
Sodium chloride solution and sodium nitrate solution.
Identify the salts P and Q from the observation given below:
When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky. When NH4OH soltion is added to the above mixture (after adding dilute HCl), it produces a white precipitate which is soluble in excess NH4OH solution.
Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
