EASY
Earn 100

Sodium hydrogen carbonate when added to acetic acid evolves into a gas. Which of the following statements are true about the gas evolved?

(i) It turns lime water milky.

(ii) It extinguishes a burning splinter.

(iii) It dissolves a solution of sodium hydroxide.

(iv) It has a pungent odor.

50% studentsanswered this correctly

Important Questions on Acids, Bases and Salts

MEDIUM
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Na, Mg, Al and S belong to 3rd period of the periodic table. Out of these, the acidic oxide is formed by
HARD
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases

An equal volume of molar hydrochloric acid and sulphuric acid is neutralised by dilute NaOH solution and x Kcal  and y Kcal of heat are liberated. Which of the following is true? 

EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Glacial acetic acid is
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Aqueous solution of SO2 is
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
What is the chemical formula of milk of magnesia?
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Select the organic acid from the following:
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
What will be the products when an acid reacts with metals?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
If excess of CO2 is passed through the suspension of a compound ‘X’ in water, a compound ‘Y’ is formed. Substances ‘X’ and ‘Y’ dissolve in H2SO4 giving white compound ‘Z’ which is insoluble in water. Identify the compounds ‘X’, ‘Y’ and ‘Z’.
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
What happens when dilute Hydrochloric acid is added to iron filings?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that 
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases

Which of the following pair of compounds cannot exist together in a solution? 

EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Monosodium glutamate is commonly known as
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Zinc reacts with NaOH solution to produce
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
A piece of charcoal was heated over the flame of the burner. When it starts burning it is immediately dipped into a boiling tube containing water. Now, this solution is transferred to another boiling tube and a piece of litmus paper is dipped into it. What will be the observation?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
The compound 'A' when treated with alkaline potassium permanganate gives 'B', and with concentrated sulphuric acid gives 'C' and 'D'. The compounds A, B, C and D are respectively:
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Aqueous solution of CsO2 is
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
15 mL of NaOH solution gets completely neutralized with 10 mL of HCl solution. What volume of the same HCl solution will be required to neutralized 30 mL of the same NaOH solution-
HARD
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
0.225g of an organic dibasic acid required 100ml of 0.05N NaOH solution to complete the neutralisation. The molecular mass of the acid will be -
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Which is not correct?
EASY
Science>Chemistry>Acids, Bases and Salts>Chemical Properties of Acids and Bases
Which of the following gases turn water milky?