Register
(THIS QUESTION IS FROM APEX ON COURSE: Physical Science Sem 2) Which one of the following is an example of a composition reaction? A. 2Na (s) + CI2 (g) → 2NaCI (s) B. Zn (s) + 2HCI (aq) → ZNCI2 (aq + Hz
90.5k views
1 vote
(THIS QUESTION IS FROM APEX ON COURSE: Physical Science Sem 2)

Which one of the following is an example of a composition reaction?

A. 2Na (s) + CI2 (g) → 2NaCI (s)

B. Zn (s) + 2HCI (aq) → ZNCI2 (aq + Hz (g)

C. Cu (s) + 2AgNO3 (aq) → Cu(NO3)2(aq) + 2Ag (s)

D. CaCO3 (s) → CaO (s) + O2 (g)

User Amaksr
by
6.8k points

2 Answers

4 votes

Answer:

A. 2Na (s) + CI2 (g) → 2NaCI (s)

Step-by-step explanation:

User Megazord
by
7.1k points
3 votes

A. 2Na (s) + CI2 (g) → 2NaCI (s)

User Luca Morelli
by
6.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.3m questions

9.7m answers

Other Questions

How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Key facts of covalent bonding
How do you decide whether an observed property of matter is a physical or a chemical property?
Consider the unbalanced equation for the combustion of hexane: 2C6H14(g)+19O2(g)→12CO2(g)+14H2O(g) Determine how many moles of O2 are required to react completely with 7.9 moles C6 H14 .
Link Copied!