Burning Test

Q. Woolen fabrics on burning produces a smell similar to that of burning ______.

1. grass
2. leaf
3. hair
4. plastic

Q. On burning a piece of fabric, Naina observed that the smell produced was similar to that of burning paper. Identify the fabric that Naina might have used.

1. Jute
2. Silk
3. Wool
4. Nylon

Q.

What is PET ? State the uses of PET.

Q. Match the following fibres with the smell they produce, when they are burned.

1. Burning hair
2. Burning paper
3. Burning plastic

Q. Haritha bought two pieces of fabric from a tailor shop, to study their properties. Fabric X, when burnt, produced a smell similar to that of burning hair. However, fabric Y produced a smell similar to that of burning paper. Identify the fabrics X and Y.

1. X: Cotton
   Y: Rayon
2. X: Wool
   Y: Cotton
3. X: Jute
   Y: Rayon
4. X: Cotton
   Y: Wool

Q. Lallu burned a piece of fabric she got from the floor. It produced a smell similar to that of burning paper. Which among the following could be that fabric?

1. Wool
2. Silk
3. Nylon
4. Rayon

Q.

Identify the synthetic fibre which resembles wool.

1. Terylene

2. Rayon

3. Acrylic

4. Nylon

Q. which burns quickly when exposed to fire 1.wool 2.silk 3.acryli

Q.

13. On burning her cotton handkerchief and a paper from her old notebook, naughty Sanjana found that both burned with the same odour and changed into grey ash. What can you conclude from this?

1. Both cotton and paper are white in colour.

2. Both are obtained from plants.

3. Both are obtained from animals.

4. It is just a coincidence.