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Combustion and Flame — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceCombustion and Flame4 Marks
Question
Fire extinguisher $K$ is suitable for kitchen fires.
Image
$5.$ Which ire extinguisher can perform most of the work of $K?$
$A. P$
$B. Q$
$C. R$
$D. S$
$6.$ How does dumping sand on ire extinguish the flame$?$
$7.$ Which of these materials is combustible$?$
$A.$ Steel
$B$. Wood
$D.$ Marble
$C.$ Glass
✓

Answer

$5. B. Q$
$6.$ Mentions that sand cuts off the oxygen supply to the lame.
$7. B.$ Wood

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