Question

give me answer of 3,4 questions​

Answer 1

3) Co2

4) Oil layer on boiled water.

I dont know 4 th answer is right or wrong but third is a right

Answer 2

$\huge\mathfrak\red{Heya\:mate}$

3⃣rd Answer is CO2

4⃣th Answer is Salt solution

#$\huge\mathfrak{Thanks}$