Chemistry Basic Concept | Chemistry Mcqs

Which of the elements do not fall in stair case of the modern periodic table__________________?

Byadmin March 13, 2019August 30, 2021

Which of the elements do not fall in stair case of the modern periodic table__________________?

A. Si
B. As
C. Te
D. None of the above

Chemistry Mcqs | Electrochemistry

If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?

If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?

A. H2 is deposited at cathode
B. Colour of the solution becomes fade
C. Cu is deposited at anode
D. All are possible

Read More If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?
Chemistry Mcqs | Periodic Classification

Elements in the same vertical group of the periodic table have same_______________?

Elements in the same vertical group of the periodic table have same_______________?

A. Number of valence electrons
B. Atomic number
C. Atomic mass
D. Atomic volume

Read More Elements in the same vertical group of the periodic table have same_______________?
Chemistry Mcqs | Group III A and IVA Elements

Boric acid cannot be used__________________?

Boric acid cannot be used__________________?

A. As antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamel and glazes

Read More Boric acid cannot be used__________________?
Chemistry Mcqs

The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?

The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?

A. 2.05 gram
B. 3.05 gram
C. 4.05 gram
D. 5.05 gram

Read More The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?
Alkyl Halides | Chemistry Mcqs

50% inversion of configuration of molecules take place in a___________________?

50% inversion of configuration of molecules take place in a___________________?

A. E1 – reaction
B. E2 – reaction
C. SN1 – reaction
D. SN2 – reaction

Read More 50% inversion of configuration of molecules take place in a___________________?
Chemical Bonding | Chemistry Mcqs

The geometry of ammonia is___________________?

The geometry of ammonia is___________________?

A. Tetrahedral
B. Square planner
C. Trigonal bipyramidal
D. Trigonal Pyramidal

Read More The geometry of ammonia is___________________?