Chemistry MCQS for Class 10
Basic solution have pH value.
Less than 7
None of these
Greater than 7
equal to 7
Which of following is not amphoteric?
HCO3
NH3
SO4
H2O
Which is a Lewis base?
NH4
AlCl3
H+
BF3
conjugate base of HCl is:
CH
HCl–
NH3
Cl
Which is used to manufacture of soap?
KOH
Mg(OH)2
Ca(OH)2
NaOH
A salt is not composed of
A metallic cation
Non -metallic anion
an anion of a base
An anion of an acid
The meaning of latin word acidus is.
Tasteless
Salty
Sweet
Sour
Potassium ferrocyanide salt is.
Acidic
Normal
complex
Basic
Which one of the mineral acid.
All of these
HNO3
H2SO4
HCl
Which one is not an Arrhenius base?
NH3
NaOH
KOH
Ca(OH)2
Which acid is found in Ant sting?
Sulphuric acid
Citric Acid
Formic Acid
Uric Acid
What is the pOH of Ca(OH)2, 0.02 M Solution.
12.31
12.61
1.397
1.698
According to Lewis concept a base is a substance which can donate.
Electron pair
Electron
Proton
Neutron
Lactic acid founds in:
Rancid Butter
Apple
Sour milk
Citrus fruits
Which is used for cleaning agent for domestic and commercial purpose?
NaHCO3
Na2CO3
NaCl
Na2SiO3
When acid reacts with sulphites and Bi sulphates which gas is evolved?
H2
NH3
CO2
SO2
Acid reacting with metal sulphides, liberate gas.
Oxygen
Hydrogen Sulphide
Hydrogen Oxide
Hydrogen
Formic acid is present in
Sour milk
Fats
String of bees
Apple
When acid react with carbonates and bicarbonates which gas is evolved?
H2
CO2
Cl2
N2
You want to dry a gas which one of the following salt you will use?
CaCl2
Na2SIO3
CaO
NaCl
Continue Reading Go to Next Page