Chemistry Flashcards
What do we call the horizontal lines in the periodic table?
Periods
Toxic definition?
Substances that can cause death. they have their effects when swallowed or breathed in or absorbed through the skin
What is the definition of irritant?
These substances can only cause reddening or blisters on the skin
What is the definition of corrosive?
These substances attack and kill living tissues, including eyes and skin
What is the definition of harmful?
These substances are less dangerous but still need to be used carefully
What is a solute?
A substance which dissolves in a liquid
What is a solvent?
A substance which can dissolve a solid
What is distilling?
A process of boiling followed by condensing
What is decanting?
a process of pouring off liquid leaving the sold behind
Describe the taste of an acid?
A sour and queasy taste
Name two foods that contain acids?
Grapes, oranges, lemons, lemons etc
What colour would vinegar be on the universal indicator?
Red/orange
What colour would hydrochloric acid be on the universal indicator?
Red- strong acid
Answer this equation: sulphuric acid + sodium hydroxide ->
Sodium sulphate + water
Sulphuric acid + magnesium ->
Magnesium sulphate + hydrogen
