Chemistry MCQS for Class 10
Grease stains from clothes are removed by sing.
Ammonium hydroxide
Aluminum chloride
Aluminium hydroxide
Ammonium nitrate
Citric acid is present in
Citrus fruits
Sour milk
Rancid butter
Apple
Acetic acid is a weak acid because it.
Is not fully ionized
Is used in cooking and flavouring food.
Has very low pH
Does not contain any hydrogen ions.
The colour of litmus paper in strong acidic solution.
Yellow
Red
Colourless
Blue
A reaction between an acid and base produce.
Salt and water
Salt and gas
Salt and acid
Salt and bases
Dilute acid react with carbonates the produce product except _________
Salt
Hydrogen gases
Water
Carbon di oxide
Formula of Potassium ferrocyanide.
K4[Fe(CN)6]-4
K2[Fe(CN)6]-4
K4[Fe(CN)5]-4
K3[Fe(CN)4]-3
__________ acid cause acidity of stomach.
Sulphuric acid
Hydrochloric acid
Nitric Acid
Oxalic acid
A product of any Lewis acid base reaction is a single specie called.
Water
None of these
Salt
Adduct
Binary compounds of oxygen such as CO2 and SO2 were names as acids by;
Sir Humphrey Davy
Lavoisier
Al- Jahiz
Jabir Bin Hayan
What is pOH of 0.01 M solution of HCl?
4
13
1
12
Sum of PH and POH of a solution is:
16
7
14
18
Acid occurring in sour milk
Malic acid
Citric acid
Bytyric acid
Lactic acid
Which acid is used for food preservation?
Sulphuric acid
Nitric acid.
Hydrochloric acid
Benzoic acid
Arrhenius presented his concept about acids and bases in.
1787
1785
1930
1923
A substance which can behave as an acid as well as a base is called.
Base
Acid
Amphoteric
Neutral
The product of Lewis acid-base reaction is called adduct. The bond between the adduct species is.
Covalent
Ionic
Co-ordinate covalent
Metallic
Alkalis react with ammonium salt to liberate.
SO2
NH3
H2
CO2
A neutral salt is not composed of.
Metallic ion
Anion of base
Anion of acid
Non metallic anion
Example of complex salt is.
Sodium Phosphate
Zinc sulphate
Potassium ferrocynide
Potash alum
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