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प्रश्न
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain hydrogen.
उत्तर
\[\ce{\underset{Zinc}{Zn} + \underset{Dil.sulphuric acid}{H2SO4}-> \underset{Zinc sulphate}{ZnSO4} + \underset{Hydrogen}{H2\uparrow}}\]
संबंधित प्रश्न
Identify the anion present in the following compounds:
When barium chloride solution is added to salt solution E a white precipitate insoluble in dilute hydrochloric acid is obtained.
Name the ion that turns blue litmus red.
Name the ion that turns red litmus blue.
Name the ions furnished by an acid.
Name the ions furnished by : an acid
Give one example : Basic oxide which is soluble in water.
Give one example : A base which is not an alkali.
Fill in the blank from the choices given in bracket.
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ___________ ions. (H+,H3O+,OH-)
From the list of the following salts choose the salt that most appropriately fits the description given in the following :
[ AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2 ]
(i) A deliquescent salt
(ii) An insoluble chloride
(iii) On heating this salt gives a yellow residue when hot and white when cold
(iv) On heating this salt, a brown coloured to prepare the following salts:
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain carbon dioxide.
