Food tests
Pestle and mortar
How do you grind up food?
The type of covalent bond formed in chlorine and hydrogen and hydrogen chloride
Single
+1
What are hydroelectric and tidal?
It is how water moves across a cell membrane
What is osmosis?
It turns purple
What is the positive test for protein?
The type of covalent bond formed in nitrogen
What is a triple bond?
Ions formed by halogens
-1
They work by converting the kinetic energy of moving air
What are wind turbines?
4X 10X 40X
What are the three commonest objective lens on a microscope?
It turns blue/black
What is the positive test for starch?
The type of covalent bond formed in oxygen and carbon dioxide.
What is a double bond?
Ions formed by magnesium
+2
It cannot be created or destroyed
It is the ability to tell the difference between two separate points
What is resolution?
It turns brick red
What is a positive test for sugars?
The number of covalent bonds in methane
What is 4?
Ions formed by oxygen
2-
It means to spread out when talking about energy
What is dissipated?
37oC
What temperature do enzymes work best at?
Fructose
What sugar do we find in fruit?
Three substances with giant covalent structures
Diamond, graphite, silicon dioxide
800.7oC
What is the melting point of salt?
There are 7 in the UK
What are nuclear power stations?
It is made from 492 amino acids
What is amylase?