A sumo wrestling ring is circular and has a circumference of 4.6pi meters.
What is the area of the sumo wrestling ring in square meters?
(Give your answer in terms of pi)
you are Priya ,wise principal of ABC school , park Street, bangalore. you have ordered some textbook from genex books private limited Bangalore. write the letter of cancel the order since you no longer need them
Hello, This is the vice principal of ABC school...
I am writing this letter to genex books pvt LTD to inform that we are cancelling the textbooks we ordered. We don't need them. Thank-you for understanding.
Q.47
When 0.1 mol of atoms of an element reacts with chlorine, there is an increase in mass of 7.1g.
The element could be
A carbon.
B sodium.
C magnesium.
D aluminium.
Give reasoning
PROBLEM 20. Weight of copper oxide obtained by treating
2.16 g of metallic copper with nitric acid and subsequent
ignition was 2.7g. In another experiment, 1.15 g of copper
oxide on reduction yielded 0.92 g of copper. Show that the
results illustrate the law of definite proportions.