SOME BASIC CONCEPTS OF CHEMISTRY Quiz-13

 

SOME BASIC CONCEPTS OF CHEMISTRY Quiz-13

Dear Readers,

IIT JEE exam which consists of JEE Main and JEE Advanced is one of the most important entrance exams for engineering aspirants. The exam is held for candidates who are aspiring to pursue a career in the field of engineering and technical studies. Chemistry is important because everything you do is chemistry! Even your body is made of chemicals. Chemical reactions occur when you breathe, eat, or just sit there reading. All matter is made of chemicals, so the importance of chemistry is that it's the study of everything..

Q1.Volume of 0.50 M NaOH solution required to react with 40.0 mL of 0.05 M H_2 SO_4 solution is  :

•  40.0 mL
•  80.0 mL
•  20.0 mL
•  8.0 mL

Solution

Q2.AThe weight of residue obtained by heating 2.76 g of silver carbonate is

•  2.76 g
•  2.98 g
•  2.16 g
•  2.44 g

Solution

Q3.OSome white colourless crystals are heated. A cracking sound is heard and brown fumes are given off. The residue is yellow-brown in colour. When a glowing splinter is held in the fumes, it is reglighted. The fumes consist of  

•  O_2
•  NO_2
•  Cl_2
•  NO_2 and O_2

Solution
option d

Q4.12.5 mL of a solution containing 6.0 g of a dibasic acid in 1 L was found to be neutralized by 10 mL of a decinormal solution of NaOH. The molecular weight of the acid is 

•  150
•  120
•  110
•  75

Solution

Q5.Sulphur forms the chlorides S_2 Cl_2 and SCl_2. The equivalent mass of S in SCl_2 is 16 g mol^(-1). Thus, equivalent mass of S in S_2 Cl_2 is

•  

  8 g

•  32 g
•  16 g
•  64 g

Solution
 

Q6.COne isotope of a non-metallic element has mass number 127 and 74 neutrons in the nucleus. The anion derived from the isotope has 54 electrons. Hence, symbol for the anion is

•   _54^127 X^-
•   _53^127 X^-
• _53^74 X^-
•   _54^74 X^-

Solution

Q7.Fe(OH)_3 and Al(OH)_3 can be separated using

•  NaOH
•  KOH+Br_2 water
•  Both (a) and (b)
•  None of these

Solution
option a

Q8.The decompositon of CaCO_3 yielded 11.2 L ofCO_2. The mass of KOH required to combine with CO_2 to form carbonate is

•  56 g
•  112 g
•  28 g
•  11.2 g

Solution

Q9. The volume of 0.5 M H_3 PO_4 that completely dissolves 3.1 g of copper carbonate is (molecular mass of copper carbonate =124 g mol^(-1))

•  55.5 mL
•  45.5 mL
•  35.5 mL
•  33.3 mL

Solution

Q10.Two glucose solutions are mixed. One has a volume of 480 mL and a concentration of 1.50 M and the second has a volume of 520 mL and concentration 1.20 M. The molarity of final solution is  

•  1.20 M
•  1.50 M
•  1.344 M
• 2.70 M

Solution

c

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