Question
Show a clean pairs of
heels In the following questions four alternatives are given for the idiom/phrase printed in bold. Choose the alternative which best expresses the meaning of the idiom/phrase and mark it as your answer. If none of the alternatives are correct, mark 5), ie None of these, as your answer.Solution
The correct answer is D
When a monochromatic light of frequency less than the threshold frequency is incident on a metal surface, which of the following occurs?
Which of the following is a chemical change?
A sulphide ore is converted into metal oxide by which of the following process?
What is the principle behind the operation of a washing machine?
Which of the following is an example of mutualism?
Who is known the father of modern chemistry?
The force required to maintain an object at a constant velocity is
What type of immunity is provided by vaccination?
The number of electrons present in Carbon is?