Question
A box contains 3 blue, 2 white and 4 red marbles. If a
marble is drawn at random from the box, what is the probability that it would be white.Solution
Total number of marbles = 3 + 2 + 4 = 9 Number of white marbles = 2 ∴ P(getting a white marble) =2/9
NaCl has which kind of bonds?
The device that converts AC into DC is:
Which of the following relation is correct?
Why do metals conduct electricity?
Which chemical is also known as carbolic acid?
Which of the following is an example of a heterogeneous mixture?
Which gas is produced due to incomplete combustion of fuel?
Water from soil enters into the root hairs owing to :
Red light is used for signals because it has –
What is the hybridization of carbon in ethyne (Câ‚‚Hâ‚‚)?