Which one of the following Indus Civilization site gives evidence of a dockyard
View Answer Report Error Discuss
Who was awarded the Harvard Humanitarian Award for 2015?
Rajasthan receives very little rain because
Something which has easily-understood instructions is said to be___
Which city is known as "City of Blood" in India ?
Tezpur is the city in the state of Assam is known as City of Blood.
Ultrasonic waves are used for stirring liquid solutions because they
Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.
Let their edges be a and b. Then,
a3/b3 = 1/27 (or) (a/b)3 = (1/3)3 (or) (a/b) = (1/3).
\Ratio of their surface area = 6a2/6b2 = a2/b2 = (a/b)2 = 1/9, i.e. 1:9.
The nitrogen atom has 7 protons and 7 electrons,The nitride ion will have