What are the physical and chemical properties of acids? please specify which is which what are the physical and chemical properties of bases?

Acids are chemical substances which are characterized by a sour taste in an aqueous medium. They have the tendency to turn blue litmus red. On the other hand, bases are chemical substances which are characterized by a bitter taste and are slippery to the touch. Some bases are soluble in water while others are not. Acids give off H+ (Hydrogen) ions in water; bases give off OH- (Hydroxide) ions in water. Acids generally taste sour due to the sour H+ ion; bases taste bitter due to the OH- ion; but they may have other tastes depending on the other part of the molecule. Bases are usually soapy in nature.

Explanation: Acids

Aqueous solutions of acids are electrolytes, meaning that they conduct electrical current. ...

Acids have a sour taste. ...

Acids change the color of certain acid-base indicates. ...

Acids react with active metals to yield hydrogen gas. ...

Acids react with bases to produce a salt compound and water.

Acids taste sour, conduct electricity when dissolved in water, and react with metals to produce hydrogen gas. Certain indicator compounds, such as litmus, can be used to detect acids. Acids turn blue litmus paper red. The strength of acids is measured on the pH scale.

1 is the answer to this problem

the answer is 0.42 is that is an option. this question provides no info