Question
In the given figure, two identical circles of radius 4
cm touch each other. A and B are the centres of the two circles. If RQ is a tangent to the circle, then what is the length (in cm) of RQ?Solution
Dry powder fire extinguishers contain
Which element is denoted by the atomic number 28?
Which substance is a colorless to faintyellow oily liquid with characteristics similar to tear gas?
Formula of ‘Quick Lime’ is __________
What process is used to create a protective oxide layer on aluminum?
The chemical name of the Vitamin B6 isÂ
The Kerosene is a mixture of _______.
What is the chemical formula of the mineral malachite?
The green colour of the leaves is due to-
Which of the following is the most reactive element in the Periodic table?