10th Class Chemistry Important MCQs Chapter No.2

Complete the reaction :    FeS + H₂SO₄    →     FeSO₄ + ?

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

 Ca(0H)₂ dissociates to give:

Lewis acid-base concept have the following characteristics except:

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

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

Conjugate base of [Al (H₂0)₆]⁺³

Amphoteric substances are those which behave as:

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:

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

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

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

Which one of the following is a Lewis base?

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

Conjugate base of an acid CH₃COOH:

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

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

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

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

Arrhenius acid are:

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

Arrhenius concept of acid-base product is:

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

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

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

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

What 1% the pOH of a 0.02M Ca(OH)₂ ?

Which ion is the conjugate base of sulphuric acid?

Which is used for etching designs on copper plates?

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

All are characteristics of bases except:

Which one is not the characteristic of an acid?

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

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

Which one is not Lewis base?

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

The water of crystallization is responsible for the:

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

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

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

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

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

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

HCI + H₂O    ⇌    ? + Cl^-

The conjugate acid of HPO₄^2- is;

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

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

Acetic acid is used for:

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

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

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

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

Complete:    Zn + H₂SO₄  →    ?  + H₂  ↑

A salt always:

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

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

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

Which one of the following species is not amphoteric?

Conjugate base of H₂SO₄is:

The world acid is derived from the Latin word:

Limitation of Arrhenius concept is:

A reaction between an acid and a base produces:

Acids react explosively with metals;

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

A salt is not composed of:

2A1 + 6HCI  →  2AIC1₃+ 3 ↑

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

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

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

Which one is mineral acid?