Which of the following plants are used as gre | vedclass

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(A) Green manure consists of plants that are grown and then incorporated into the soil to improve its fertility and structure.$Crotalaria juncea$ (Sun

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Crotalaria juncea and Alhagi camelorum

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(A) Green manure consists of plants that are grown and then incorporated into the soil to improve its fertility and structure.$Crotalaria juncea$ (Sunn hemp) is a well-known leguminous plant used as green manure.$Alhagi camelorum$ (Camel thorn) is also known for its ability to grow in sandy soils and improve soil nitrogen content.These plants are ploughed into the soil while still green,which increases crop yield by $30-50\, \%$.

Element	$M^{3+}/M$	$M^{+}/M$
$Al$	$-1.66$	$+0.55$
$Tl$	$+1.26$	$-0.34$

Which of the following plants are used as green manure in crop fields and in sandy soils?

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$19 \ g$ of a mixture containing $NaHCO_3$ and $Na_2CO_3$ on complete heating liberated $1.12 \ L$ of $CO_2$ at $STP$. The weight of the remaining solid was $15.9 \ g$. What is the weight (in $g$) of $Na_2CO_3$ in the mixture before heating?

Consider the following standard electrode potentials ($E^o$ in volts) in aqueous solution:

Element $M^{3+}/M$ $M^{+}/M$

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$Tl$ $+1.26$ $-0.34$

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