You were tasked to check if the liquid sample you have is substance or a mixture. which among these tests is the best way to do so?
i. color comparison
ii. taste comparison
iii. boiling point test
iv. melting point test
a. 1,2,3,4
b. 1,2,3 only
c.1,2,4 only
d.1 and 3 only

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.