Question 4 (2 points) (02.01 MC)
Which of the following mixtures can be separated by using both color and size as observable properties? (2 points)
O a
Cauliflower and tomato
Ob
Flour and sugar
C
Sand and soil
Od
Sugar and salt
Question 5 (2 points)

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.