(a)both A and R are true and R is the correct explanation of assertion
(b) both A and R are true but R is not the correct explanation of assertion
(c) A is true but R is false
(d) A is false but R is true
Q13 Mixtures of sodium chloride and iron fillings is an example of heterogenous mixture (A)
Constituents (sodium chloride and iron fillings) are distinctly visible and non-uniform in composition. (R)
Q14 Water is a compound (R)
The constituents of water(hydrogen and oxygen) cannot be seprated by physical methods, such as filtration, evaporation, etc.(R)
Dear student ,
!3. Both assertion and reason are correct and reason is the correct explaination of the assertion
Option (a) is correct
!4 . Option (a) is correct
water is made by the chemical combination of hydrogen and oxygen in a fixed proportion and can not be separated and also it in in the pure form not in mixture form.
Regards
!3. Both assertion and reason are correct and reason is the correct explaination of the assertion
Option (a) is correct
!4 . Option (a) is correct
water is made by the chemical combination of hydrogen and oxygen in a fixed proportion and can not be separated and also it in in the pure form not in mixture form.
Regards