Correct Answer:
B. Groups
In the periodic table, vertical columns are known as Groups, containing elements with similar chemical properties. Horizontal rows are called Periods. Zigzag and Diagonal are not standard classifications for columns.
Related MCQs
Liaqat Ali Khan was assassinated in Rawalpindi on _
A.
17 Nov 1951
B.
17 Sep 1951
C.
17 Aug 1951
D.
16 Oct 1951
Correct answer is:
D. 16 Oct 1951
What is the largest ethnic group in Afghanistan?
A.
Tajik
B.
Hazara
C.
Pashtun
D.
Uzbek
Correct answer is:
C. Pashtun
Badminton originated from which country in 1870?
A.
USA
B.
France
C.
UK
D.
China
Correct answer is:
C. UK
Choose the correct preposition: He has refrained _ doing this.
A.
With
B.
Of
C.
By
D.
From
Correct answer is:
D. From
Pakistan and a South Korean firm signed an MoU to promote which sector?
A.
Agricultural sector
B.
Industrial sector
C.
Automation sector
D.
None of these
Correct answer is:
A. Agricultural sector
To 'clip the wings' means to _____?
A.
Put pressure
B.
Remove limits
C.
Remove pressure
D.
None
Correct answer is:
A. Put pressure