Question
In a bag there are 4 red balls, 3 green balls, and 5
blue balls. If one ball is drawn at random from the bag, what is the probability of drawing a green ball?Solution
Explanation:Â The probability of drawing a green ball is the number of green balls divided by the total number of balls, which is 3/12 = 1/4.
___________ is the process in which acids and bases react to form salts and water.
The noble gas used in radiotherapy is
The fuel that is used in modern submarines is -
The element used in the manufacture of safety matches is —
The nucleus of an atom consists of-
Urea is a —
The major component of honey is-
The gas used for filling weather balloons is-
Which of the following is a physical change?
The chemical name of'Common salt’