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प्रश्न
Give one example : An oxide which is a base.
उत्तर
CuO
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संबंधित प्रश्न
Define in term of ionization an acid.
Name the ions furnished by a weak alkali.
Define the term neutralization, Give a reaction, mentioning clearly acid and base used in the reaction.
Define the term neutralization, if one mole of a strong acid reacts with one mole of a strong base, the heat produced is always the same. Why?
Fill in the blank.
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions.
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-)
Identify the anion present of the following compound:
A salt M on treatment with concentrated sulphuric acid produces a gas which fumes in moist air and gives dense fumes with ammonia.
State the term defined by the following sentence:
The insoluble solid formed when two solutions are mixed together.
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
An insoluble chloride.
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 sulphur dioxide.
