(C) (i), (iii) and (iv) Rusting of iron is a chemical change. Rest three show physical changes, because in these three processes, iron changes its form, not the chemical composition.
(C) (i), (iii) and (iv)
Rusting of iron is a chemical change. Rest three show physical changes, because in these three processes, iron changes its form, not the chemical composition.
What did the crown of “oak leaves” symbolize?
(B) Heroism
(B) Heroism
See lessAccording to the World Bank, the criterion used to classify countries with the income of Rs. 4,53,000 per annum and above in 2004 is considered as:
(C) Average countries
(C) Average countries
See lessIs slash and burn agriculture.
(C) Jhumming
(C) Jhumming
See lessWhich of the following are physical changes?
(C) (i), (iii) and (iv) Rusting of iron is a chemical change. Rest three show physical changes, because in these three processes, iron changes its form, not the chemical composition.
(C) (i), (iii) and (iv)
See lessRusting of iron is a chemical change. Rest three show physical changes, because in these three processes, iron changes its form, not the chemical composition.
Choose the wrong statement.
(A) The nature of matrix differs according to the function of the tissue.
(A) The nature of matrix differs according to the function of the tissue.
See lessA nucleoside differs from a nucleotide. It lacks the:
c. phosphate group
c. phosphate group
See lessIn a DNA strand the nucleotides are linked together by:
b. phosphodiester bonds
b. phosphodiester bonds
See less