Which of the following is a chemical change?

1 Rusting of iron

2 Tempering of iron

3 Melting of iron

4 Bending of iron

Answer Posted / guest

(1) Rusting of iron

Is This Answer Correct ?    12 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

a private address 172.116.0.0 will borrow ? bits from the HOST to give one 120 subnets - range = ?

1882


Explain any four values that can be developed through teaching Physical Science

629


What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?

1733


Which is the first atomic submarine of india?

641


What was the code name given to the first explosion?

630






what is composition of fizzy drinks

1486


Write two characteristics of Science.

590


Which of the following metals is a better conductor of electricity? A. Silver B. Copper

1014


172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits

1578


My friend has done the DMLT(Diploma in Medical Laboratory Technology)Now she wants to do further education.What should she do? Please Guide which would be best for her

9280


What are reflecting nebulae?

554


how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'

1667


Please can someone tell me, how many times during a 12 hour period, do the hands of a clock face opposite each other? I believe its 11. Also, would this be the same, no matter WHAT the starting time? i.e. if the 12 hour period started at 6 o clock, would it still be 11 times? Many thanks for your help.

1735


Which are the research centres of department of atomic energy?

592


On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.

1482