Which of the following are decomposition reactions? 1. ch4 (g) + o2 (g) → co2 (g) + h2o (l)
2. cao (s) + co2 (g) → caco3 (s)
3. mg (s) + o2 (g) → mgo (s)
4. pbco3 (s) → pbo (s) + co2 (g)
Then the multiple choice options are:
A. 4 only
B. All are decomposition reactions
C. 2,3 and 4
D. 2 and 3

Why does a red shoe appear red in daylight

How have the greenhouse gasses increased from the year 2000 to 2018

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction