Sulphur And Its Compounds

The first compound microscope was made in which of the following? The first compound microscope was developed in which year? The first compound microscope was developed by whom? The magnification power of first compound microscope was? Which of the following is increase in the apparent size of an object in microscopy? Which of the following is the measure of clarity of an image? The percentage occurrence of sulphur in the earth crust is ________? The chemical formula of galena is ________? Gypsum is an ore of ________? The shape of monoclinc sulphur is ________? ________ is an unstable allotrope of sulphur? Under ground deposits of sulphur are found 200 meters below the surface of the earth and contain about ________ of free sulphur?

ISSB Test

ISSB Tests