Answer above questions .
Attachments:
Answers
Answered by
1
answer of question no.11
A=>(III.)adrenaline
b=> adrenaline
C=>(v)Insulin
D=>( i ) growth Harmon
ans.12
Formic acid
Urtica dioica (stinging nettle) Formic acid is one of the chemicals present in nettle stings, along with histamine and acetylcholine. This chemical cocktail is delivered via stinging hairs with tips that break off when touched.
ans. 13 in ncert book
ans.14 in ncert book
ans.15
Roasting is a process of heating of sulfide ore to a high temperature in presence of air. It is a step of the processing of certain ores. More specifically, roasting is a metallurgical process involving gas–solid reactions at elevated temperatures with the goal of purifying the metal component(s)
Similar questions