2 ml of ethanoic acid was taken in three test tubes A, B and C and 2 ml, 4 ml and 8 ml water was added to them respectively.

Correct Answer - 25 litres

Correct option is  A) Vinegar

Correct option is  B) ii & iii

C) formation of clear and homogeneous solution

C) Brisk effervescence occurred

B) size of the solute

B) To identify which mixture is homogeneous and which is heterogeneous.

Correct option is C) 1, 4

B) Lactometer

Correct Answer - B Iron is an element and rust is a compound of iron in which iron does not retain its properties and hence rust does not liberate hydrogen gas...