Since the comb is positively charged, the hair will stick to the comb.
I think
Answer: It changed in identity and properties.
Explanation:
Group 12 Elements have two valence electrons while Group 13 Elements have three valence electrons.
Number of valence electrons tend to determine factors like reactivity. So elements with different number of valence electrons will have different properties.
That is why G12 and G13 have different properties
<span>E.) In a chemical reaction, the final amount of the products is determined by the "None of the above"
[ Depends on all physical conditions & chemical situation ]
Hope this helps!</span>
Hi Jojo
The 4 factors that makes a good fuel are
1) It should be cheap
2)It should not burn too fast or too slowly
3) It should be easily available
4) It should have a high calorific value
I hope that's help !