12. A student set up an experiment to investigate substances formed when a candle burns in air utute
7
To pump
Calcium hydroxide
Ice cold water
candle
a) What observation was made in the;
U-tube
Boiling tube containing calcium hydroxide

In which reaction is precipitation occurring?

Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands