The positive terminal electrode is called as ............. .
anode
2/30
If the basic radical is H+ the type of compound is .............
acid
3/30
The name of compound NH3 is ...............
ammonia
4/30
An ionic compound NaCl is formed by...................
Na+ and Cl–
5/30
The bases which are soluble in water are called as
alkalis
6/30
Baking soda is.............. in nature
basic
7/30
According to pH scale pure water has a pH of ...
....
7
8/30
HCl + NaOH NaCl + H2O is a ........... reaction.
neutralization
9/30
Find the odd one out: Ammonium chloride, sodium chloride, potassium nitrate, sodium sulphate
Ammonium chloride
Question Explanation:
Ammonium chloride is the odd one out, as it is made up of a strong acid and weak base and rest all are formed from strong acid and strong base.
10/30
Find the odd one out: Calcium oxide, magnesium oxide, zinc oxide, sodium oxide.
zinc oxide
Question Explanation:
Zinc oxide is the odd one out, as it is amphoteric oxide, and rest all are basic oxides.
11/30
pH of strong acid is .......... .
0
12/30
The solution turns blue litmus red, its pH is likely to be............... .
4
13/30
Find the odd one out: Hydrogen chloride, sodium hydroxide, calcium oxide, ammonia
Hydrogen chloride
Question Explanation:
Hydrogen chloride is the odd one out. It is acidic and rest all are basic.
14/30
.................acid is present in lemon.
Citric acid
15/30
Find the odd one out: Sodium nitrate, sodium carbonate, sodium sulphate, sodium chloride.
sodium carbonate
Question Explanation:
Sodium carbonate is the odd one out, as it is made up of a weak acid and strong base, and rest all are formed from strong acid and strong base.
16/30
Find the odd one out: Chloride, nitrate, hydride, ammonium
ammonium
Question Explanation:
Ammonium is the odd one out as it is a basic radical and rest all are acidic radicals. Generally, basic radicals are formed by removal of electrons from the atom of metals such as Na+ , Cu2+. But there are some exceptions, such as NH4 + .
17/30
Bases are ..........................to touch
soapy
18/30
Molecular formula for sodium oxide is.................
Na2O
19/30
Molecular formula of Red oxide is ........... .
Fe2O3
20/30
H2 CO3 is ............... acid.
dibasic
21/30
Milk of Magnesia is................ in nature
basic
22/30
When the concentration of solute is low in the solution, it is called as solution.............
diluted
23/30
HCl is a ................ acid
monobasic
24/30
Substances which are sour to taste are termed as .....................
acid
25/30
Anions are ..............charged particle.
negatively
26/30
Adding water to acid is an ............. reaction.
exothermic reaction
27/30
Find the odd one out: Acetic acid, carbonic acid, hydrochloric acid, nitric acid
carbonic acid
Question Explanation:
Carbonic acid is the odd one out. It is a dibasic acid and rest are all monobasic acids.
28/30
............ produced in stomach helps in digestion.