NDA CHEMISTRY QUIZ - 8

Attempt now to get your rank among 6 students!

Question 1:

If vapour density of the gas is 15 and has molecular formula of alkane CnH2n+2 . Then what should be the formula of the compound

Question 2:

Match List I and List II

List I

List II

A.Molarity 

I.g-equivalent /litre

B.Molality 

II.Moles / Kg

C.Vapour density 

III.Moles / litre

D.Normality 

IV.Dimensionless 

Question 3:

Molality of 2 g of methanol (CH3OH) in 80 g of benzene (C6H6) is 

Question 4:

Molarity of N/2 1000 ml solution of HCl is 

Question 5:

Molarity of a solution containing 5 g of common salt in 500 ml of solution ?

Question 6:

Calculate the normality of NaOH solution formed by dissolving 0.5 g of NaOH to make 250 mL solution?

Question 7:

Match List I and List II

List I

List II

A.Molarity 

I.Molarity X Volume in mL

B.Molality

II.Do not change with change in temperature 

C.Number of millimoles 

III.Normality / n factor  


Question 8:

Question consist of two statements – Assertion (A) and Reason (R). Answer the question selecting the appropriate option given below:

Assertion(A) – Molality of solution change with change in temperature 

Reason (R)– Molality is number of moles of solute dissolved in 1 Kg of solvent

Question 9:

Relation between vapour density and molecular weight

Question 10:

Number of moles of carbon dioxide present in 200 ml of 0.5 molar solution is