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what is the formula of the dpd for withered shrank plant cells how is that situation possibleans withered plant cells are those that shrank because
causes of fire the potential fire risk arises from the presence of combustible solids liquids or gases in conjunction with ignition sources one
what is meant by suction force of the plant cell does the suction force facilitate or make difficult the entrance of water in the cellans the suction
fire hazards in the laboratory the average science laboratory is a particularly hazardous area when it comes to fire flammable liquids compressed
objectivesafter studying this unit you should be able to1 explain the significance of the fire triangle2 list common causes of fire3
which are the molecules that make possible active transport through membranesans active transport is made by particular membrane proteins these
introduction in the first unit of this block you read about hazards due to electricity and gases in the science laboratories the second unit deals
mass transportation is the access or the exiting of substances in or from the cell engulfed by portions of membrane the fusion of internal
nucleophilic addition reactionsi carbonyl compounds give nucleophilic addition reaction along with those reagents which on dissociation give
chemical characterstics of carbonyl compoundscarbonyl compounds provide chemical reactions due to carbonyl group and alpha-hydrogenscarbonyl
how does the plant cell wall react when it is placed under hypotonic mediumans the plant cell wall the covering of the cell outside to the cell
smell - physical characteristics of carbonyl compoundsalong with the exception of lower aldehydes that have unpleasant odours aldehydes and ketones
physical chareterstics of carbonyl compoundsphysical statea methanal is a pungent smell gasb ethanal is a volatile liquid and boiling points 294 kc
dehydration or decarboxylation of acids by mno300degc1 this reaction occurs among two molecules of carboxylic acids both can be the same or
reaction due to ethernal oxygena the boiling point of peroxide is higher as compared to that of ether it is not present as remains in the
chemical properties of ethersethers are fairly stable compounds these are not simply reacted along with alkalies dilute mineral acids active metals
physical properties of ethers - boiling points and solubilitya boiling points boiling points of ethers are very much lower as compared to those of
physical properties of alkyl halides1 physical state methoxy methane and methoxy ethane are gases whereas other members are volatile liquid along
uses of pyrogallola as a developer in photographyb as a hair dyec in medicine of skin diseases like eczemad for absorbing none reacted oxygen in gas
uses of resorcinola resorcinol is used as antiseptic and for creating dyesb resorcinol is also used in the medicine of eczema 2 4
properties of resorcinol1 resorcinol is a colourless crystalline solid melting points 110degc2 resorcinol is affected on exposure by light and air3
uses of catecholcatechol finds use as photographic developer and in the manufacture of alizarin and adrenaline hormone and like an antioxidant
properties of catechol1 catechol is a colourless crystalline solid its melting points is 105degc2 catechol is soluble in water3 catechol is
properties of picric acidpicric acid is a yellow crystalline solid melting point 122degc picric acid is insoluble in cold water but soluble in hot
auxiliary methodsthere are other reprographic methods which although commonly used earlier are now mainly used for specific purposes we think you