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Q: Why 70 percent alcohol is used for sterilization?
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What concentration of alcohol is best to use for sterilization during plant tissue culture. 70 percent alcohol or absolute alcohol?

yes because, 70% alchole make easy contect with suface of the specimen


Why 70 percent alcohol is used for sterilization not 100 percent?

First of all, because technological limits mean that we can only get alcohol at a purity of about 90%. 90% alcohol is also far more expensive than 70%, so it is more cost effective to use 70%. Ignoring all of that, the main reason is that 70% alcohol works just fine and sterilizes object very well.70%alcohol is the efficient concentration to denature the protein.


How much 95 percent alcohol must be used to prepare 1000 ml of 70 percent alcohol?

how much 95% alcohol must be used to prepare 1000 ml of 70% alcohol


Why 70 percent ethanol is used for sterilization instead of 100 percent?

70% ethanol has been shown to have the highest killing ability of microbes. Also, 100% ethanol is toxic to the user


Why 70 percent alcohol used in laboratory?

If WE Use 90% alcohol it will get evaporated, for 30% alcohol no reaction occurs as water content will be high . so, 70% is used


What fraction of 10 percent alcohol should be mixed with 70 percent alcohol to obtain 50 percent alcohol?

2/3 of 70% and 1/3 of 10%


Why 40 percent alcohol cheaper than 70 percent alcohol?

Because the concentration of alcohol is lower; you pay the alcohol not the water.


Why 70 percent alcohol and absolute alcohol used in DNA isolation?

70% ethnol is used for the dna isolation becuse it makes hydrogen bonding with the water molecules and makes DNA hydrophopic so that it pricipitated.


Is 70 percent isopropyl alcohol a mixture?

Yes, it is.


What percent of car crashes involve alcohol?

about 70%


What percent alcohol does firefly vodka contain?

35 percent 70 proof


What is the Difference between 70 percent and 50 percent rubbing alcohol?

20%