please answer A and B

Alcoholic sodium hydroxide is a powerful glassware cleaning solution. How would you prepare it? Dissolve 5 mL of water and 4.2 g of sodium hydroxide Add enough aldehyde-free ethanol to make 1000 ml. Allow the solution to remain for 24 hours in a firmly sealed bottle to become homogeneous, (b) What can happen to your glassware on prolonged exposure Glassware doesn't allow prolonged or repeated exposure due to explosion following evacuation or mechanical shock or stress, it is contaminated with toxic chemicals, blood, or infections. substances that may enter the body