The structure of all living organisms on Earth is known as ............
- ACommunity
- BBiome
- CCompound
- DBiosphere
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Similar Questions
Chlorine gas reacts with the aromatic ring of lignin to form which of the following substances?
Easy
View SolutionMatch List-$I$ with List-$II$.
List-$I$ List-$II$ $A$. Sulphate $(> 500 \ ppm)$ $I$. Methemoglobinemia $B$. Nitrate $(> 50 \ ppm)$ $II$. Brown mottling of teeth $C$. Lead $(> 50 \ ppb)$ $III$. Laxative effect $D$. Fluoride $(> 2 \ ppm)$ $IV$. Kidney damage
Choose the correct answer from the options given below.
| List-$I$ | List-$II$ |
| $A$. Sulphate $(> 500 \ ppm)$ | $I$. Methemoglobinemia |
| $B$. Nitrate $(> 50 \ ppm)$ | $II$. Brown mottling of teeth |
| $C$. Lead $(> 50 \ ppb)$ | $III$. Laxative effect |
| $D$. Fluoride $(> 2 \ ppm)$ | $IV$. Kidney damage |
Choose the correct answer from the options given below.
What is smog? How is classical smog different from photochemical smog?
Medium
View SolutionMatch the following:
List-$I$ List-$II$ $A$. Insecticide $I$. $COD$ $B$. $K_2Cr_2O_7 / 50\% H_2SO_4$ $II$. $PAN$ $C$. Bleaching of clothes and paper $III$. $Na_3AsO_3$ $D$. Eye irritant $IV$. $BOD$ $V$. $H_2O_2$
The correct answer is:
| List-$I$ | List-$II$ |
|---|---|
| $A$. Insecticide | $I$. $COD$ |
| $B$. $K_2Cr_2O_7 / 50\% H_2SO_4$ | $II$. $PAN$ |
| $C$. Bleaching of clothes and paper | $III$. $Na_3AsO_3$ |
| $D$. Eye irritant | $IV$. $BOD$ |
| $V$. $H_2O_2$ |
The correct answer is:
DifficultAP EAMCET 2019
View SolutionHow is chemistry related to the environment? Describe it.
Medium
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