10th Class Chemistry Important MCQs Chapter No.2

The world acid is derived from the Latin word:

The water of crystallization is responsible for the:

Conjugate base of H₂SO₄is:

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

 Ca(0H)₂ dissociates to give:

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

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

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

Complete the reaction :    FeS + H₂SO₄    →     FeSO₄ + ?

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

Acids react explosively with metals;

A reaction between an acid and a base produces:

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

Which ion is the conjugate base of sulphuric acid?

Which one of the following species is not amphoteric?

Limitation of Arrhenius concept is:

Conjugate base of an acid CH₃COOH:

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

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

Arrhenius acid are:

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

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

Arrhenius concept of acid-base product is:

Which one of the following is a Lewis base?

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

A salt is not composed of:

Which is used for etching designs on copper plates?

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

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

Complete:    Zn + H₂SO₄  →    ?  + H₂  ↑

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

Acetic acid is used for:

Which one is not Lewis base?

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

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

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

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

Amphoteric substances are those which behave as:

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

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

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

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

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

A salt always:

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

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

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

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

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

2A1 + 6HCI  →  2AIC1₃+ 3 ↑

Which one is mineral acid?

Which one is not the characteristic of an acid?

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

Conjugate base of [Al (H₂0)₆]⁺³

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

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

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

HCI + H₂O    ⇌    ? + Cl^-

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

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

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

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

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 conjugate acid of HPO₄^2- is;

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

What 1% the pOH of a 0.02M Ca(OH)₂ ?

All are characteristics of bases except:

Lewis acid-base concept have the following characteristics except:

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

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