Explore topic-wise InterviewSolutions in .

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Explore topic-wise InterviewSolutions in .

When a solid changes to directly gaseous state, the process is calledA) Diffusion B) Sublimation C) Evaporation D) Boiling

MixturePath of the lightSettle down of soluteXvisibleyesYnot visiblenoX and Y are A) suspension and solution B) suspension and colloidC) solution and suspension D) colloid and suspension

Petroleum is separated into its components byA) distillation B) fractional distillation C) evaporation D) filtration

Copper cannot be separated from copper sulphate by physical methods. So, it is A) mixture B) compound C) A or B D) colloid

i) Hydrogenp) Suspensionii) Waterq) Solutioniii) Lemonader) Elementiv) Cough Syrups) CompoundChoose the correct matching. A) i – r, ii – s, iii – q, iv – p B) i – s, ii – q, iii – p, iv – r C) i – q, ii – p, iii – r, iv – s D) i – p, ii – r, iii – s, iv – q

Naphthalene in water separated by ……………. A) distillation B) chromatography C) sublimation D) centrifugation

a) sugar water b) tincture of iodine c) soda water d) salt waterThe above given mixtures are A) Homogeneous mixturesB) Heterogeneous mixtures C) Solutions D) A and C

Which of the following cannot be separated by sublimation when it is mixed with Sand A) Salt B) Ammonium Chloride C) Camphor D) Iodine

Kerosene and Caster oil are immisible liquids. To separate kerosene from caster oil …………… is used typeA) Filter paperB) Funnel C) Separating funnel D) Distillation apparatus

A) kerosene + salt B) water + salt C) water + sugar D) salt + sugarIn the above mixtures, heterogeneous is /are A) B, C B) A, B, C C) A D) A, D