Related InterviewSolutions

• All the solutions are ‘x’s. But not all ‘x’s are solutions. Guess the ‘x’. A) Pure substance B) MixtureC) Atom D) Liquid
• ‘A’ is a mixture. No particles are settled down when it left undisturbed for sometime. Light beam is visible through it. Guess the ‘A’. A) Solution B) Colloid C) Suspension D) A or B
• If a solution is diluted, the path of the fight beam is A) Visible B) Not visible C) Lightly visible D) Sometimes visible
• Air is a ………….. A) mixture B) colloid C) solution D) none of these
• ……………… are heterogeneous mixtures in which the particle size is too small to be seen with the naked eye but is big enough to scatter fight. A) SuspensionB) Solutions C) Colloids D) None of these
• The term element is first used by …………… A) Robert Boyle B) Hennig Brand C) Lavoisier D) Burzelius
• The first definition for ‘element’ is given by A) Lavoisier B) Hennig Brand C) Sir Humphry Davy D) Robert Boyle
• The first definition of an element is given by …………….. A) Robert Boyle B) Hennig Brand C) Lavoisier D) Burzelius
• Substances which can be separated into two or more components by chemical reactions are called as ………………. A) elements B) mixtures C) compounds D) none of these
• The basic form of matter that cannot be broken down into simpler substances in chemical reactions is ……………… A) element B) compound C) mixtureD) none of these