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Natural fibres, eg. Cotton Manufactured (regenerated) fibres, eg. Viscose Synthetic fibres, eg. Polyester
-o-as -a -amos -áis-an
Take the expression(x+2)(x+4). Expanding brackets essentially means multiplying them out to get a new expression. In this case, it will have the form x2+cx+d, where c and d are numbers to be de...
Higher concentration of water outside the cell/lower concentration of solutes outside. Water moves into the cell, down a concentration gradient and through a selectively permeable membrane via osmosis
Add sodium hydroxide solution to the substance and if a white precipitate is observed that does not dissolve in excess sodium hydroxide then there are magnesium ions in the substance.
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