Acids

Question 1

what is an acid

Answer 1

a proto donor

Question 2

what is a base

Answer 2

a proton donor

Question 3

what is an alkali

Answer 3

soluble base produce OH- ions in water

Question 4

give examples of weak acids and what are they defined as

Answer 4

ethanoic acid and carboxylic acids
only partially dissociate into its ions in solution

Question 5

give examples of strong acids and what are they defined as

Answer 5

HCL, H2SO4, HNO3 fully dissociate into its ions in solution

Question 6

give examples of strong bases

Answer 6

NaOH and KOH

Question 7

give examples of weak bases

Answer 7

NH3

Question 8

what do you call acids which can donate more than one proton

Answer 8

polyprotic

Question 9

when a acid reacts with a base what does it produce

Answer 9

salt and water

Question 11

when ammonia reacts with acids what is formed

Answer 11

ammonium salts

Question 12

what is produced when metals react with acids

Answer 12

salt and hydrogen

Question 13

what is produced when metal hydroxides react with acid

Answer 13

salt and water

Question 14

what is produced when metal oxides react with acids

Answer 14

salt and water

Question 15

what is produced when metal carbonates react with acids

Answer 15

salt, CO2 and water

Question 16

what is the equation that links moles, conc and volume

Answer 16

moles= conc x vol

Question 17

what colour is phenolphthalein in alkaline and acid

Answer 17

alkali-pink
acid-colourless

Question 18

hat colour is methyl orange in alike and acid

Answer 18

acid-yellow
alkali-red

Question 19

how do you make up a standard solution

Answer 19

weigh mass of solid on balance using weighing boat
transfer solid to beaker and wash weighing boat with distilled water
dissolve the solid fully in water and stir
transfer the solution inti a volumetric flask and rinse the glass rod and beaker
fill the volumetric flask up to the graduation line with distilled watering use a pipette
invert to mis thoroughly