Acids and Bases
The pH scale ranges from this number to this
____ to ____
0-14
How many times more acidic is pH 1 than 2
10x
What is element number 1?
Hydrogen
we measured it on the pH scale according to the pH chart
What creature is on the front of the grade 7 science textbook
Cougar
0-6 refers to what?
Acids
How many more times basic is pH 11 than 9
100x
What is an element
7
What were all the Lit Circles books that were options
Ghost house, Sasquatch, Ivan, Holes, Poppy, Narnia
What are two examples of solutions that have neutral pH
Compare pH 9 and 7
pH 9 is 100x more basic than pH 7 or pH 7 is 100x more acidic than pH 9
What are the elements in the noble gases group?
He Ne Argon Kr Xe
How are pH indicators useful?
Various answers
How do you spell your student teachers last name?
Purewal
What do you use to determine if a solution is an acid or a base
what is an indicator
Compare pH 2 and 6
pH 2 is 1000x more acidic than pH 6
What are examples of elements that are apart of the Halogens
F Cl Br I
How could you return a cabbage lab that was acidic back into being neutral?
Add a base or keep adding neutral cabbage juice until it is purple again
Name a movie that has a mad scientist
various
Break down oils and fats, slippery texture, cause severe burns, pH 7+, turns red litmus blue, tastes bitter, etc.
Compare pH 7 to pH 14
pH 14 is 10,000,000x more basic than pH 7 or pH 7 is 10,000,000x more acidic than pH 14
What 2 elements are the most common in the world?
Hydrogen and Carbon
What compound in the cabbage makes it a pH indicator
Anthocyanin
What colour are my basketball shoes?
Red