Sawaal

 Chemistry Questions

Popular Latest Rated
Q:

What happens when one S and one P orbital is hybridized?

A) We get three orbitals in a plane B) We get two orbitals at 180 degrees
C) We get two mutually perpendicular orbitals D) We get four orbitals directed tetrahedrally
 
Answer & Explanation Answer: B) We get two orbitals at 180 degrees

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

3 803
Q:

Which of the following is NOT a noble gas?

A) Radon B) Krypton
C) Xenon D) Hydrogen
 
Answer & Explanation Answer: D) Hydrogen

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 803
Q:

What are stars primarily made of?

A) Oxygen and Hydrogen B) Hydrogen and Carbon
C) Hydrogen and Helium D) Oxygen and Helium
 
Answer & Explanation Answer: C) Hydrogen and Helium

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 801
Q:

The maximum number of electrons that can be accommodated in a shell is indicated by the formula

A) 2n-2 B) 2n3
C) 2n D) 2n2
 
Answer & Explanation Answer: D) 2n2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 801
Q:

Galvanization a process to prevent rusting involves use of ___ coating to steel or iron.

A) Nickel B) Magnesium
C) Copper D) Zinc
 
Answer & Explanation Answer: D) Zinc

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

0 801
Q:

All isotopes of the same element have ____________

A) different atomic numbers and different atomic mass B) different atomic numbers and the same atomic mass
C) the same atomic number but different atomic masses D) the same atomic number and the atomic mass
 
Answer & Explanation Answer: C) the same atomic number but different atomic masses

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

4 801
Q:

If Metal A displaces Metal B from its solution, then Metal A ____.

A) is more reactive than B B) is less reactive than B
C) is heavier than B D) has the same reactivity as B
 
Answer & Explanation Answer: A) is more reactive than B

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

2 797
Q:

Which is the first metallic element in the Modern Periodic Table?

A) Li B) Na
C) He D) H2
 
Answer & Explanation Answer: A) Li

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 797