CBSE Class 9 c9sepheterog — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 9 c9sepheterog in the app →Per NCERT Class 9 Science, what apparatus is used to separate TWO IMMISCIBLE LIQUIDS like oil and water?Per NCERT, in a separating funnel containing mustard oil and water, which layer forms on TOP?Per NCERT, what is SUBLIMATION as a separation technique?Per NCERT, which substance is a CLASSIC example used to demonstrate sublimation in a school lab?Per NCERT, what is a SUSPENSION?Per NCERT, what is CENTRIFUGATION used for?Per NCERT, what is COAGULATION as a water-treatment technique?Per NCERT, what defines a COLLOID?Per NCERT, which is an example of a COLLOID — encountered in everyday life?Per NCERT, what is the TYNDALL EFFECT?Per NCERT, what everyday phenomenon is the TYNDALL EFFECT responsible for — referenced in the chapter's openinPer NCERT, why does a TRUE SOLUTION (like salt water) NOT show the Tyndall effect — while milk does?