Boost Your Rank for NEET 2019 : Stoichiometry- 01 for NEET & AIIMS Exams

Question 1

What will be the concentration of chloride ion if 300 ml each of decimolar solution of AgCl and CaCl₂ is mixed and volume is made 1 litre?

Question 2

Complete combustion of 0.858g of compound X gives 2.63g of CO₂ and 1.28g of H₂O. The lowest molecular mass X can have

Question 3

Which of the following has maximum numbers of equivalents present at STP?

Question 4

Which has maximum mass?

Question 5

What will be the resulting normality of NaCl solution formed on mixing 200 ml of decimolar NaOH with 40 ml of semimolar HCl?

Question 6

If x g of metal carbonate on heating gives y g of metal oxide. Then the ratio of weight x/y can be represented as

Question 7

2 mole of ammonium ion has

Question 8

How many atoms will be left, if from 196 g of H₂SO₄, 0.5 moles of H₂SO₄ are removed from it?

Question 9

3 M Na₂CO₃ is provided having density 1.5 g/cc, then the molality of the same solution will be

Question 10

1.5mol of O₂ combine with Mg to form oxide MgO. The mass of Mg (at. mass 24) that has combined is

Question 11

In the reaction

equivalent weight of H₃PO₄ is (M = Mol. wt. of H₃PO₄)

Question 12

Normality of H₃PO₄ if 10% weight/weight of the solution is given having density 1.5 g/cc is

Question 13

Percentage by mass of water of crystallization in washing soda is (approx.)

Question 14

Which of the following statement is incorrect?

Question 15

The order which represents correctly the increasing number of atoms present is

Question 16

The mass of

produced when excess

is bubbled through a solution of 0.205 mol

is

Question 17

Number of moles of

required to oxidize one mole of

in acidic medium is

Question 18

If

moles of oxygen combine with Al to form

the weight of Al used in the reaction is (Al=27)

Question 19

The simplest formula of a compound containing 50% of element X (atomic mass 10) and 50% of element Y (atomic mass 20) is

Question 20

12g of Mg (at. mass 24) will react completely with acid to give