| 1 |
Which one is not an Arrhenious acid? |
HCl
H2SO4
CO2
HNO3
|
| 2 |
Which one is not an Arrhenius base. |
KOH
NaOH
NH3
Ca(OH)2
|
| 3 |
According to Arrhenius concept base is a substance which dissociates in aqueios solution to give |
Hydroxide ions
Hydrogen ions
Pair of Electrons
Proton
|
| 4 |
According to Arrhenius concept acid is a substance which dissociates in aqueious solutin to give. |
Proton
Pair of Electron
Hydrogen Ions
Hydroxide ion
|
| 5 |
Milk of magnesia contains Mg(OH)2 It is used as antacid It neutralizes excess stomachaacid. Which salt is formed in this reaction. |
MgCl2
MgSO4
MgCO3
MgO
|
| 6 |
Which of the following cannot be classified as Arrhenius acid |
CO2
HNO3
H2CO3
H2SO4
|
| 7 |
All bases turn red litmus. |
Blue
White
Pink
Colourless
|
| 8 |
All Acids turn blue litmus. |
Pink
White
Colourless
Red
|
| 9 |
Acids means |
Bitter
Salty
Sweet
Sour
|
| 10 |
Acidic Acid is used for |
Cleaning metal
Etching designs
Flavouring food
Making explosives
|
| 11 |
A base is a substance which neutralizes an acid. Which of these substances is not aa base. |
Aqueious ammonia
Calcium oxide
sodium Chloride
Sodium carbonate
|
| 12 |
When a chemical reaction is carried out with a substancZ; a gas is produced which turns red litmus paper blue. What is the reaction? |
Reaction of an acid with a meal carbonate
Reactin of an alkali with ammonium salt
Reaction of an acid with ammonium salt
None of these
|
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