Advertisements
Advertisements
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)
Advertisements
उत्तर
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is Cu
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations to show The behavior of H2SO4 as an acid when it reacts with Magnesium
Select from the list the gas that matches the description given in case
[ammonia, ethane, hydrogen chloride, hydrogen sulfide, ethyne]
This gas has a characteristic rotten egg smell.
Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
What is the function of HCI in preparation of aqua-regia?
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.
