Chemistry 1
How many nucleons are there in flourine atom?
19
What type of reaction increases the temperature?
What is used to make an electrode?
C or Pt
What is the functional group of alcohol?
OH
Why does hydrogen have an atomic number of 1?
because it only has one proton
Why is Ca2+ ion 2+ charge?
2 more protons than electrons
What are the two characteristics of equilibrium?
1. Same rate of forward and reverse reactions
2. Constant concentration
What allows the flow of electricity in the solution when electrolysis is carried out?
Ions
6 carbons
What is the name of Iron man?
What would be used to separate mixture of dyes?
Chromatography
Provide alternative pathway which decreases rate of reaction.
What is the observation on cathode when molten iron bromide is electrolsysed?
liquid grey blob forms
What reagent and condition is needed to form glucose from carbohydrates?
Acid and heat
What is the largest extant bird?
3 mols of hydrogen gas fully reacts with how many moles of oxygen to form water?
1.5 mols
What would be the observation when silver nitrate is added to sodium chloride solution?
What would you use for an anode and cathode when electroplating a iron spoon with copper metal?
Anode: Copper
Cathode: Iron spoon
What are the reagents and conditions needed to form alcohol from ethene?
Steam, 330 and phosphoric acid
What is the capital city of Austria?
Vienna
Why does water have higher boiling point than alcohol?
Stronger intermolecular attraction
What is the observation related to gases when magnesium nitrate is heated in boiling tube?
Brown gas and glowing splint relights.
What are the 2 products formed when dilute sodium chloride is electrolyse?
hydrogen gas and oxygen gas
What is an example of synthetic polyester?
Terlyene/ PET
Who is the British Prime Minister?
Keir Starmer