Question

hw to study these formulas​

Answer 1

Answer:

u have to memorize it. No other option.

OR

U can understand it by the types of reaction. Ex. Double Decomposition Reaction, Combination Reaction, .....

Answer 2

Keep Mneumonics

A mnemonic device, or memory device, is any learning technique that aids information retention or retrieval in the human memory. Mnemonics make use of elaborative encoding, retrieval cues, and imagery as specific tools to encode any given information in a way that allows for efficient storage and retrieval.