Question
The volume of a cylinder with base radius 3 cm is 396
cm³. Find its curved surface area (in cm² ).ÂSolution
1. Use the formula for volume: V = πr² h. 2. Solving for height h, then use 2πrh for surface area.
Which of the following pollutants is the major contributor to photochemical smog?
The Egg shell is made up of which of the following?
The process of conversion of a solid directly into a gas is known as:
What is the chemical formula of Urea, the best nitrogenous fertilizer?
Which of the following metal have the highest Melting point?
Whose experiments supports Abiotic synthesis?
Which of the following reactions is commonly used in the hydrogenation of vegetable oils using a nickel catalyst?
Which of the following glands is a source of the enzyme Ptyalin?
Calcium cyanamide, used as a fertilizer, is commercially known as ______.
When pressure is increased the melting point of ice –
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