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Plantain is a plant that has fruits and no seeds.

Fermentation bacteria are anaerobic, but use organic molecules as their final electron acceptor to produce fermentation end-products.
During fermentation, yeast cells convert cereal-derived sugars into ethanol and CO 2 .
At the same time, hundreds of secondary metabolites that influence the aroma and taste of beer are produced.
Variation in these metabolites across different yeast strains is what allows yeast to so uniquely influence beer flavor .

It is corrosion-resistant.
It is a good thermal and electrical conductor.
The main point to be noted is that aluminium is a highly reactive element and still it is used for making cooking utensils.
The reason is that aluminium has a very high affinity for oxygen.

Diamond: Carbon has an electronic arrangement of 2,4.
In diamond, each carbon shares electrons with four other carbon atoms – forming four single bonds.
Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.
Graphite: Graphite has a layer structure.

Metal oxides are generally basic in nature
Abbreviation Some oxides have both acid and base properties
These are called amphoteric oxides
They can chemical reaction with acids and bases

Graphite act as a moderator to slow down the neutrons released during fission so that a continuous fission chain reaction can be maintained.

The impurities like organic compounds, inorganic salts and gases in the form of solids, liquids and gases which are dissolved in water, are known as dissolved impurities.
Dissolved impurities include salts, metals and gases.
Iron is considered among dissolved impurities, it’s essential to adhere to the specific definitions or guidelines provided.

The energy possessed by a body by virtue of its position is called as potential energy.
The potential energy of a body emerges due to its position. More specifically, the displacement of a body from the reference position decides the amount of potential energy it has.
Usually, the potential energy of a body with mass m is given as P.E=mgh, where h is the height of the body from the ground plane and g is the acceleration due to gravity.
Absolute potential of a body cannot be found. Only the relative value can be found out.

Bacteria coli (B-coli) or Escherichia coli (E-coli) test .
There are two tests for B-coli or E-coli i.e. presumptive test and confirmative test.
Now-a-days, a new technique known as memberane filter technique (M.F.T) is used for finding out B-coli or E-coli.

Temporary hardness is due to the presence of calcium bicarbonate Ca(HCO3)2 and magnesium bicarbonate Mg(HCO3)2. Both calciumbicarbonate and magnesium bicarbonate decompose when heated. The original insoluble carbonate is reformed. This happens when water is boiled

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