The Material World

[Sweetpea]

ONE ANSWER PER DAY PLEASE

1) What was the first man made fibre? - Nylon - easyg

2) What is the essential ingredient of all wood? - Lignin - Churchill

3) What is limestone? - Calcium Carbonate - Von

4) What is the main constituent of natural gas? - Methane - Churchill

5) Which atom other than oxygen is found in pure crystal of quartz? - Silicon - poppy

6) What is the tip of the nose made of? - Cartilage - Von

7) Tanning is used in the preparation of which material? - Leather - poppy

8) When King Midas touched any material it turned into which metal? - Gold - Bernie

9) Which metallic element is combined with iron to make stainless steel? - Chromium - terrywit

10) Black and white photography relies on the chemical properties of which metal? - Silver - Von

[Bruv]

2. Cellulose

[Sweetpea]

Nope, sorry Bruv

[Bruv]

Originally Posted by Sweetpea

Nope, sorry Bruv

Im surprised....oh well

[Sweetpea]

Being in Biology, I know the answer is correct.

[Bernie]

8. Gold

3. Calcium

[Sweetpea]

Not quite the whole answer Churchill

[poppy]

7, leather

[terrywit]

9) It's an alloy with many different mixes Chromium, make it shiney & less staining?