Related InterviewSolutions

• Take a piece of chalk and keep on dividing it in to smaller pieces, what will happen?
• What happens when the lid of a bottle of perfume is opened?
• Wipe a drop of ink with a handkerchief what effect does it have on the cloth of the handkerchief?
• What is the difference between a pure substance and a mixture ?
• Name the substance you will add to speed up sedimentation.
• Fractional distillation is used to separate liquids having an appreciable difference in their1. size and shape2. solubility3. boiling points.4. none of these
• The constituents of a mixture are present in a fixed ratio1. a fixed ratio2. a variable ratio,3. the ratio of 2 : 14. none of these
• A separating funnel can be used for separating a mixture of immiscible liquids. True or false ?
• Fill in the blanks.1. A .................substance has only one kind of matter.2. The composition and properties of a...............  mixture is uniform throughout.3. An............... is a homogeneous mixture of two or more metals.4. Chalk powder dissolved in water is an example of a...................5. An.................. is formed when one liquid is dispersed as tiny droplets throughout another liquid.6. Immiscible liquids are separated by using a................ 
• Loading is a process in which1. impurities become heavy and sink to the bottom.2. impurities float on the top.3. impurities vaporize.4. none of these