Which of the following properties is useful in making lemon juice? (a) Transparency of the substance (c) Solubility of the substance

(b) Surface tension of liquid
(d) Conductivity of the substance​

Explanation:

One of the primary chemical properties of lemon juice is its low pH. With a highly acidic pH level of 2, lemon juice lies just below stomach acid on the pH scale. Lemon juice's high acidity means that it has a high concentration of hydrogen ions. Like other acidic substances, lemon juice is sour and can corrode metals.21-Jul-2017

a

Explanation:

(a) Transparency of the substance

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories