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प्रश्न
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)
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उत्तर
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is Cu
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संबंधित प्रश्न
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.
Name the following:
Drying agent used to dry hydrogen chloride.
Name the following:
Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid.
Name the following:
A chemical in which gold can be dissolved.
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
How will you identify?
An amphoteric hydroxide
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.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
