Which of the following statements is $NOT$ correct regarding tannins?
- AThese avoid browning of freshly cut potato.
- BThese are formed from polyphenols.
- CThese are obtained by polymerisation of quinones.
- DThese are generated after cutting fruits or vegetables.
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Similar Questions
Consider the following reactions involving some atmospheric pollutants:
$NO + O_3 \rightarrow NO_2 + O_2$
$NO_2 \xrightarrow{h \nu} NO + O$
$O + O_2 \rightarrow O_3$
$4 NO_2 + O_2 + 2 H_2 O \longrightarrow 4 HNO_3$
$3 CH_4 + 2 O_3 \longrightarrow 3 H_2 C = O + 3 H_2 O$
Based on the above,the formation of formaldehyde from methane in the atmosphere will be controlled by:
$NO + O_3 \rightarrow NO_2 + O_2$
$NO_2 \xrightarrow{h \nu} NO + O$
$O + O_2 \rightarrow O_3$
$4 NO_2 + O_2 + 2 H_2 O \longrightarrow 4 HNO_3$
$3 CH_4 + 2 O_3 \longrightarrow 3 H_2 C = O + 3 H_2 O$
Based on the above,the formation of formaldehyde from methane in the atmosphere will be controlled by:
Which of the following is a renewable resource?
Easy
View SolutionThe gaseous envelope around the earth is known as the atmosphere. The lowest layer of this extends up to $10 \ km$ from sea level; this layer is $.......$
Which of the following principles of green chemistry suggests the use of chemicals made from plant-based sources?
What is biodegradable and non-biodegradable waste?
Medium
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