Science Facts of October - 2012

31

Wednesday

Today’s Science Message

29

Monday

Answer for the Question of the Week

Blood and cells contain an enzyme called catalase. Since a cut or scrape contains both blood and damaged cells, there’s lots of catalase floating around. When the catalase comes in contact with hydrogen peroxide, it breaks H2O2 into water and oxygen gas. The oxygen gas forms the bubbles.


26

Friday

Question of the Week

23

Tuesday

Today’s Science Message

22

Monday

Answer for the Question of the Week

In a gas cooker there is absolute combustion with blue flame. Gas completely reacts with O2 and converts to CO2 and H2O gas. But in a wooden hearth partial combustion takes place and in addition to CO2, H2O, Unburned C molecules are in the flame resulting a yellow flame.


19

Friday

Question of the Week

18

Thursday

Today’s Science Message

17

Wednesday

Today’s Science Message

16

Tuesday

Today’s Science Message

15

Monday

Answer for the Question of the Week

Normally K2CO3 (potassium carbonate) is the main contents of ash. Lime juice has Citric Acid. When mixed these 2 compounds suddenly start an acid-base reaction. K2CO3 is a week base and Citric acid is a week acid. As a result of this acid-base reaction CO2 gas emitted from the mixture.


12

Friday

Question of the Week

11

Thursday

Today’s Science Message

10

Wednesday

Today’s Science Message

9

Tuesday

Today’s Science Message

8

Monday

Answer for the Question of the Week

5

Friday

Question of the Week

4

Thursday

Today’s Science Message

3

Wednesday

Today’s Science Message

2

Tuesday

Today’s Science Message

1

Monday

Answer for the Question of the Week

The ship has a streamlined and hollow shape which causes it to displace more water than its own weight. The iron nail does not have a hollow shape to displace more water than its weight. So it floats.