Answer:The correct answer is option 4.
Explanation:
Arrhenius acids are those compounds which gives
ions when dissolved in their aqueous solution.

Arrhenius bases are those compounds which gives
ions when dissolved in their aqueous solution.

are Arrhenius acids because they form
ions in their respective aqueous solution.


Hence, the correct answer is option 4.
<h3><u>Answer;</u></h3>
Cannon-Bard theory
<h3><u>Explanation</u>;</h3>
- <em><u>The idea that an emotion-arousing stimulus is simultaneously routed to the cortex and to the sympathetic nervous system is central to the Cannon-Band theory.</u></em>
- Cannon-Bard theory states that we feel emotions and experience physiological reactions such as sweating, trembling, and muscle tension simultaneously.
- The theory argues that we experience physiological arousal and emotion at the same time. The theory gives more attention to the role of thought or outward behavior as compared to James-Lange.
Answer:
You should not use an open flame to heat the solvent and the solvent should be heat in a stoppered flask to vapour away from the open flame
Explanation: