Download App

Environmental Chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEnvironmental Chemistry1 Mark
MCQ
$\text{DDT}$ is :
  • A
    An antibiotic.
  • B
    A fertilizer.
  • ✓
    A non degradable pollutant.
  • D
    Dichloro difluoro titanium.
✓

Answer

Correct option: C.
A non degradable pollutant.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Environmental Chemistry→Environmental Chemistry — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Find the value of $\frac {P}{k_p}$ for reaction at a certain temperature is :-

$2NOBr(g)\,\,\rightleftharpoons  \,\,2NO(g)\,\,+\,\,Br_2(g),$  where $P$  is the total pressure of gases at equilibrium and $P_{Br_2}\,\,=\,\,\frac {P}{9}$

→
$\mathop {C{H_3} - }\limits_a \mathop {C{H_2} - }\limits_b \mathop {C{H_2} - }\limits_c \mathop {C{H_2} - }\limits_d F$

Arrange the hydrogens $a, b, c, d$ in decreasing order of their reactivities towards chlorination

→
Which one of the following isomeric structures has the lowest energy ?
→
Which of the following is not lewis base
→
Attacking or reactive or electrophilic species in nitration of benzene is or In the nitration of benzene with concentrated $HN{O_3}{\rm{ \,and \,}}{H_2}S{O_4}$ the attack on ring is made by
→
$100\ ml$ of a buffer of $1 \mathrm{MNH}_3(\mathrm{aq})$ and $1 \mathrm{MNH}_4^{+}(\mathrm{aq})$ are placed in two half cells separately. A current of $1.5\ amp$ is passed through both half cells for $20$ min, if electrolysis of only water take place. The $pH$ of :
→
$2 \mathrm{MnO}_4^{-}+\mathrm{bI}^{-}+\mathrm{cH}_2 \mathrm{O} \rightarrow \mathrm{xI}_2+\mathrm{yMnO}_2+\mathrm{zOH}^{-}$

If the above equation is balanced with integer coefficients, the value of $z$ is____

→
The oxidation state of iodine in $H_4IO_6^-$ is
→
The average molar mass of air becomes more in presence of which gas if present in air :
→
Which one of the following scientist's proposed the law of conservation of mass?
→