Question

please help me
answer all this questions
by no. 1 2 3 4 5 6 etc.please answer in detail long questions​

Answer 1

Answer:

Q1

i)oxylic acid

ii) acetic acid

iii) tartaric acid

Q2

a) substances used to determine acid or base by changing smell i.e. some substances changes their smell when the are placed in acid or basic solution by this property they used to determine acid and base by (change in odure). Ex. -Onion, vanilla .

b) H2So4

Q3

2HCl +Mg = MgCl2 + H2

NaOH + HCl = NaCl + H2O

CaCO3 + 2HCl = CaCl2 +CO2+ H2O

Q4

i) Tap water contains impurities while distilled water not contains any impurity which make it Conductor.

ii) Acids show their acidic nature in only liquid state. so this happenes

iii) baking soda is used because it increases the pH of milk which make harder to change milk into curd(acid)

iv) it does because dilution of acid is very exothermic reaction. if acid is added in water slowly then most of released energy consumed by water on other hand if water will be added in acid the explosion may occur and it will harm us.

v) base shows their basic nature in water. for this we add NH3 in water then it gives OH- ions by Reacting with water. hence ammonia is considered as base.

Q5

A -base

B- acid

C- neutral

D- acid