devrajbnsi448 Asked: December 2023 Draw a neat and clear ray diagram to show image formed in concave mirror when an object is kept away from centre of
devrajbnsi448 Asked: October 2023 what are the causes for digradation of biodiversity why is it important write any 5 points to support your answer
devrajbnsi448 Asked: October 2023 what are the properties of acids and bases write any 5 points for support of your answer
devrajbnsi448 Asked: October 2023 A sample of water collected from random source of water does not give lather with soap. Study it and answer the
devrajbnsi448 Asked: October 2023 how can you remove permanent hardness of water by washing soda explain with equation
devrajbnsi448 Asked: October 2023 Fig. shows a container in which a lighted candle C has been placed. The container has two openings, one at A and other at