The product of any Lewis acid base reaction is a single specie called _________

Indicators are the ___________

Which one is used for alkaline batteries?

• NaOH

• Ca(OH)₂

• KOH

• Mg(OH)₂

Which Option is Correct?

Acetic acid is a weak acid because it _______________

Lavoisier named binary compounds of oxygen acids in_______

A base is a substance which neutralizes an acid. Which of these substances is not a base?

Basic solutions have pH value__________

Which acid is used for etching designs on copper plates?

• H₂SO₄

• HNO₃

• HCl

• CH₃COOH

Which Option is Correct ?

Select one Option

Which is used for cleaning agent for domestic and commercial purpose?

• NaCl

• Na₂CO₃

• NaHCO₃

• Na₂SiO₃

Select Correct Option

The word acid is derived from thy_________

Which salt is used as a table salt?

• NaCl

• Na₂CO₃

• Na₂SiO₃

• NaCl

Select One Option.

When acids react with carbonates and bicarbonates which gas is evolved?

• H₂

• CO₂

• Cl₂

• N₂

The Correct Option is ________

Ferric hydroxide (Fe(OH)₃) is precipitated out of solution when aqueous sodium hydroxide solution is added to ferric chloride (FeCl₃)

FeCl₃ +3Na0H    —>Fe(OH)₃ +3NaCl

in this process color of the precipitate is _____________

According to Bronsted and Lowry concept an acid is a substance that can donate ______

Which acid is used for food preservation?

• H₂SO₄

• HNO₃

• HCl

• CH₃COOH

Select one Option which is Correct?

What is the POH of a 0.02M Ca(OH)₂?

Which one of the following species is not amphoteric?

• H₂O

• NH₃

• HCO₃

• SO₄

Which Option is Correct?

pH of neutral solution is always ________

When acid reacts with sulphites and bisulphites which gas is evolved?

• H₂

• CO₂

• SO₂

• NH₃

The Correct Option is ____________

Which salt is used for the manufacture of detergents, pulp and paper?

• NaCl

• Na₂CO₃

• Na₂SiO₃

• NaCl

Which Option is Correct?

Stearic acid present in______________

Which one is Lewis acid?

• BF₃

• AIC₃

• FeCl₃

• All of these

Which Option is Correct ?

Alkalis react with ammonium salt to liberate_______

• SO₂

• CO₂

• NH₃

• H₂

Which Option is Correct?

Bronsted and Lowry presented their theories of acids and bases in _____________

All acids turn blue litmus into _____________

Methyl orange produces colour in basic solution _____________

Dilute acids react with carbonates to produce the given products except _______

A reaction between an acid and a base produce___________

Which one is mineral acid?

• HCl

• H₂SO₄

• HNO₃

• All of these

Select Correct Option.

Which is used to remove the grease stains from clothes?

• NaOH

• KOH

• Al(OH)₃

• NH₄OH

Which Option is suitable?

Uric acid is present in__________

When acids react with metals which gas is evolved?

• H₂

• O₂

• Cl₂

• N₂

Select any One Option.

Which acid is used an electrolyte in lead storage battery?

• H₂SO₄

• HNO₃

• HCl

• CH₃COOH

Which is Correct Option ?

The value of constant of ionic product of water K_w at 25°C is _________

• 1.0x10^-4

• 1.0x10¹⁴

• 1.0 x10⁷

• 1.0x10^-7

which Value is Correct?

Which acid is present in our stomach?

A conjugate base is a specie formed by donating a ___________

Word “Acidus” means__________

Who proved that the presence of hydrogen as the main constituent of all acids?

In the preparation of insoluble salts, which one of the facts is incorrect?

If a liquid has a pH of 7 then it must ________________

Butyric acid is present in ____________

Which one is not an Arrhenius base?

• NaOH

• KOH

• Ca(OH)₂

• NH₃

Which Option is Correct ?

The water of crystallization is responsible for the ___________

Jabir Bin Haiyan prepared ____________

Which one of the following is a Lewis base?

• NH₃

• BF₃

• H⁺

• AICI₃

Select one Option

You want to dry a gas which one of the following salt you will use?

• CaCl₂

• NaCl

• CaO

• Na₂SiO₃

Select Correct Answer ?

Arrhenius presented his concept about acids and bases in________

All bases turn red litmus into __________

Which one is not an Arrhenius acid?

• HCl

• H₂SO₄

• CO₂

• HNO₃

Select One Option.

Which one is Lewis base?

• NH₃

• R-NH₂

• ROH

• All of these

Select One Option.

A salt always _________________

Phenolphthalein produces red color in ___________

Acidic solutions have pH value _______

Which is used to manufacture of soap?

• NaOH

• Ca(OH)₂

• KOH

• Mg(OH)₂

Select Correct Option.

The product of Lewis acid-base reaction is called adduct. The bond between the adduct species is_________

Give K_w = (H⁺] [OH^-] = 1.0 x 10^-14 at 25°C what is the concentration of H⁺ in pure water at 25°C?

• 1 x 10^-7 mol dm^-3

• 1 x 10⁷ mol dm^-3

• 1x 10^-14 mol dm^-3

• 1 x 10¹⁴ mol dm^-3

Select Correct Answer ?

Select Correction Option

A substance which can behave as an acid as well as a base is called ___________

According to Lewis concept a base is a substance which can donate ________

pH value normally varies from_________

Which is used as foaming agent in fire extinguishers?

• NaOH

• KOH

• Al(OH)₃

• NH₄OH

Select Correct Option.

According to Bronsted and Lowry concept a base is a substance that can accept ________

A salt is not composed of ___________

According to Arrhenius concept acid is a substance which dissociates in aqueous solution to give______

According to the Lewis concept, acid is a substance which can _______

Lewis acid-base concept have the following characteristics except______

Formic acid is present in _______________

According to Lewis concept an acid is a substance which can accept ________

Citric acid is present in ___________

Maltic acid is present in _________

A conjugate acid is a specie formed by accepting a ________