Question

Use iron filings and sulphur powder and distinguish between these on the basis of:

• Appearance, i.e., homogeneity and heterogeneity.

• Behavior towards a magnet.

• Behavior towards carbon disulphide as a solvent.

• Effect of heat.

• Effect of heating with dil. HCl.

Please answer fast 50 marks for this

Answer 1

Answer:

effect of heading with dil.HCl.

Answer 2

Answer:

1If α and β are the zeroes of a polynomial such that α + β = -7 and αβ = 10, then find the polynomial.

*Answer.