Question

2)State the principle of separating two immiscible liquids by separating funnel. Describe an
activity with diagram to separate a mixture of water and kerosene oil.
3. With a neat labelled diagram explain how we can separate the mixture of sand, salt and
ammonium chloride.
4. What is fractional distillation? Draw a diagram of fractional distillation.
5. Compare the properties of metals and non-metals
6. Differentiate between mixtures and compound
7. What would you observe when:
(a) a saturated solution of potassium chloride prepared at 60°C is allowed to cool at room
temperature?
(b) an aqueous sugаr solution is heated to dryness?
(c) a mixture of iron filings and sulphur powder is heated strongly?

Answer 1

Answer:

the way we were going back from

Answer 2

${\huge{\boxed{\mathcal{\orange{ANSWER  :-}}}}}$

The effective mass tensor diverges (becomes infinite) for linear dispersion relations, such as with photons or electrons in graphene. (These particles are sometimes said to be massless, however this refers to their having zero rest mass; rest mass is a distinct concept from effective mass.)