Identifying fibres burining test:
If is smells like burining hair, what is the yarn?

Identifying fibres burining test: If is smells like burining paper, what is the yarn?

Identifying fibres – burning test.

Identifying fibres burining test: If the yarn melts in the flame, what is the yarn?

In “Identification of fibres – Burning test activity what are the precautions to be taken.

What did you do to know whether artificial fibres give pungent smell while burning? Write the steps of your experiment.

‘X’ is fibre. It gives smell like burning of paper in burning test and it is an artificial fibre. ‘X’ may be

An inorganic compound ( X ) gives brick red flame test and also gives following observations. (i) Produce smell of chlorine in moist air (ii) Produce brown coloration with CH_(3)COOH and KI (iii) Produce an anasthetic compound with ethanol What is oxidation state of chlorine in compound ( X )

An inorganic compound ( X ) gives brick red flame test and also gives following observations. (i) Produce smell of chlorine in moist air (ii) Produce brown coloration with CH_(3)COOH and KI (iii) Produce an anasthetic compound with ethanol What is the formula of compound by the reaction (X ) and C_(2) H_(5) OH

Think of your own family, what similarities do you share with your father and mother? Draw a table to represent the similarities of some characters like colour of eye (cornea), colour of hair, shape of nose, shape of face, type of earlobe (attached or free) inner thumb markings, etc. Write your characters in one column and that of your parents in the other columns. (Q) . is there any character that is not present in grandma but present in your mother and you ?

Take hair, wool, silk, paper, cotton thread, piece of plastic, thread of sweater, piece of rope and carefully conduct a flame test. Based on smell and type of melting, classify them as natural or artificial fibres.