SaI20065 Asked: December 2022 A boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 hours, it can go 40 km upstream
SaI20065 Asked: December 2022 why should electrophoresis be done in solution of low salt concentration
SaI20065 Asked: December 2022 in a temporary mount of a leaf peelwe observed one pore as in eliptical and the other poreinkidney shaped name the parts
SaI20065 Asked: December 2022 a green coloured metallic salt on heating losses its water if crystallization and gives the smell of burning sulphur identify the
SaI20065 Asked: December 2022 draw a diagram of human excretory system and label the parts list two vital functions of kidney
SaI20065 Asked: December 2022 a liquid has a ph less than 7 which represents an acidic solution 1)state the nature of solution if its ph increases from 7
SaI20065 Asked: December 2022 hydrochloric acid and nitric acid show acidic characteristics in aqueos solution while alcohol and glucose solutions do not give reason