According to the Solubility Rules,which Compound Is SOLUBLE in Water

question 8

Multiple Choice

According to the solubility rules,which compound is SOLUBLE in water?

• A) CaCO₃
• B) PbCl₂
• C) Cu(NO₃)₂
• D) CaSO₄

---

Definitions:

Brain Weight

The mass of the brain, which can be indicative of various factors including health, species, and sometimes intelligence in comparative studies.

Life Satisfaction

An individual’s evaluation of their overall wellbeing and contentment with life.

High-Pitched Sounds

Sounds that have a high frequency, often described as shrill, and can be uncomfortable or even painful to hear for some individuals.

Life Crisis

A critical, potentially transformative period or event in an individual's life, often characterized by significant stress, uncertainty, or change.