10th Class Chemistry Important MCQs Chapter No.2

Nitric acid (HNO₃), sulphuric acid (H₂SO₄) and hydrochloric acid (HCI) are prepared by:

A substance that can accept a proton (H+) from another substance is called:

A specie formed by accepting a proton by a base is called:

Acetic acid is used for:

Ferric hydroxide Fe(OH)₃ is precipitated out of solution when aqueous sodium hydroxide solution is added to ferric chloride (FeCI₃)

FeCl_3(aq) +  3NaOH_(aq)   →       Fe(OH)₃ (s) 3NaCl_(aq)

Colour of the precipitate is:

The product of Lewis acid-base reaction is called adduct. The bond between the adduct specie is:

What 1% the pOH of a 0.02M Ca(OH)₂ ?

A specie formed by donating a proton by an acid is called:

Dilute acids (HCI, H₂SO₄) react moderately with reactive metals like Mg, Zn, Fe and Al with evolution of:

Which one of the following is a Lewis base?

Complete it:     2NaHCO₃+ H₂SO₄   →   ? + 2CO₂ ↑ + 2H₂O

Which one is not the characteristic of an acid?

Which acid is used for cleaning metals, tanning and in printing industries?

A little concentration of the acid present in our stomach which breaks down the food is

Which is used for etching designs on copper plates?

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

The conjugate acid of HPO₄^2- is;

Complete the reaction :    FeS + H₂SO₄    →     FeSO₄ + ?

According to Bronsted-Lowry concept product of acid and base is:

Limitation of Arrhenius concept is:

Acids react with bases to form salts and water. This process is called:

Arrhenius acid are:

Which ion is the conjugate base of sulphuric acid?

A salt is not composed of:

The world acid is derived from the Latin word:

All are characteristics of bases except:

Which one is not Lewis base?

Complete it:   ? + 2HCI  → CaCl₂ + CO₂ ↑ + H₂O

Arrhenius concept of acid-base product is:

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

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

Complete:    Zn + H₂SO₄  →    ?  + H₂  ↑

Complete the reaction    NaHSO₃ + HCI    →       NaCI + ? ↑+ H₂O

2A1 + 6HCI  →  2AIC1₃+ 3 ↑

Given K_w = [Hi [OH^-] = 1x10^-14 at 25°C:

What is the concentration of H+ in pure water at 25°C?

Conjugate base of H₂SO₄is:

According to Davy's concept the acid without oxygen is:

Conjugate base of an acid CH₃COOH:

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

HCI + H₂O    ⇌    ? + Cl^-

Amphoteric substances are those which behave as:

The first acid was known to man in the form of vinegar is:

Which one is mineral acid?

Acids react with bases to form salts and water. This process is called:

A salt always:

Conjugate base of [Al (H₂0)₆]⁺³

Arrhenius and Bronsted-Lowry concept of acids and bases are limited to substances which contain:

According, to Lewis, a species can act as acid..

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

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

According to Sir Humphrey Davy there are certain acid which are without.

A reaction between an acid and a base produces:

Complete the reaction:   CaSO₃ + 2HCl  →  CaCl₂ + ? + H₂O

According to Bronsted-Lowry concept, an acid is a substance which donates:

Lewis acid-base concept have the following characteristics except:

Acids form salts with liberation of sulphur dioxide gas when react with:

Acids react explosively with metals;

 Ca(0H)₂ dissociates to give:

Which one is used for manufacture of fertilizers, ammonium sulphates. calcium superphosphate, explosive, paints, dyes, drugs, an electrolyte in lead storage batteries:

Acid is a substance which dissociates in aqueous solution to give hydrogen ions.

According to Arrhenius concept of acid, acid is the substance which dissociates in aqueous solution to give.

Which one of the following species is not amphoteric?

Binary compounds of oxygen such as CO₂ and SO₂ on dissolution in water gave acidic solutions, named acids by :

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

Acids react with carbonates and bicarbonate to form corresponding salts with evolution of:

The water of crystallization is responsible for the:

All the organic and inorganic compounds are classified into.....

Base is a substance which can donate a pair of electrons.

According to Lewis, an acid is a substance which accept: