Question
Which of the following class of compounds shows
H-bonding even more than in alcohols?Solution
Carboxylic acid forms H-bonding by means of two highly electronegative oxygen atoms present in it.
Which element is known for its high electronegativity?
What is the speed of light in air?
Which pioneer scientist used radio waves to transmit signals over distances of several kilometres in the 1890s?
Which of the following layers of the atmosphere makes Radio Communication possible?
A storm is predicted if atmospheric pressure:
Which Metal is found in the highest proportion in earth’s crust?
A ship will submerge when it displaces water equal to its
What type of image is always formed by a convex mirror?
What is the cause of hypermetropia?
Which Vitamin is soluble in water?