you test a substance using red litmus paper and the paper turns blue. based on theses results, is the substance acidic or basic?
A The substance is acidic.
B The substance is basic
C The substance is pH neutral.****
D The results do not indicate anything.
What is produced when a base reacts with a metal?
A hydrogen gas*****
B carbon dioxide
C no reaction is visible
D water
use the words or phrases in each box identify which is true for either acids or bases
(BOX GOT USE THESE WORDS FOR THE BLANK)
Sour
Fertilizer ,household cleaner, and baking soda
folic acid, hydrochloric acrid
turns blue litmus paper red
no reaction with carbonates
produces carbon dioxide
bitter
produces hydrogen gas
turns red litmus paper blue
no reaction with metals
(ACIDS)
taste (1 point)
Blank
Reaction with metals (1 point)
Blank
Reaction with carbonates (1 point)
Blank
Uses (1 point)
blank
Reaction with litmus paper (1 point)
Blank
(BASES)
taste (1 point)
Blank
Reaction with carbonates (1 point)
Blank
Uses (1 point)
Blank
Reaction with litmus paper (1 point)
Blank
4 answers
Lesson 7: Acids and Bases Science 7 A Unit 3: Chemical Reactions
🌸1. You test a substance using red litmus paper and the paper turns blue. based on these results, is the substance acidic or basic?
👍B. The substance is basic.
💎2. Which factor confirms that a substance is an acid?
👍B. It's pH is lower than the pH of distilled water.
🥝3. An unknown solution is tested using a known indicator whose pH values are shown in the diagram. If the indicator turns bright yellow, what can you conclude about the unknown solution?
👍B. It is slightly acidic.
💸4. A liquid is bitter and slippery. It is most likely_____.
👍C. a base.
All of these answers are correct why would I waste my time putting the wrong answers?😑💖