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Search Results for react - All Grades

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Grade 6 Periodic Table and Elements
Grade 6 Acids and Bases
What is the main difference between acids and bases?
  1. The way they react to chemical changes
  2. The pH
  3. The way they react to physical changes
  4. The taste
Grade 3 Fill in the Blank Vocabulary
Grade 5 Fill in the Blank Vocabulary
I have a bad                .
  1. contact
  2. activity
  3. memory
  4. react
Grade 3 Fill in the Blank Vocabulary
Grade 5 Fill in the Blank Vocabulary
Grade 5 Synonyms

This question is a part of a group with common instructions. View group »

Justify:
  1. react
  2. erase
  3. attack
  4. explain
Grade 6 Reactions
Molecules react by
  1. switching atoms with other molecules.
  2. joining together with other molecules.
  3. breaking apart.
  4. all of the above
Grade 10 Atomic Structure
Two naturally occurring isotopes of oxygen are O-16 and O-17. Which of the following statements is correct?
  1. Both isotopes react with iron to form rust.
  2. Neither isotope reacts with iron to form rust.
  3. Only O-16 reacts with iron to form rust.
  4. Only O-17 reacts with iron to form rust.
Grade 5 Fill in the Blank Vocabulary
Grade 5 Synonyms
Grade 9 Psychology
Grade 5 Fill in the Blank Vocabulary
How did you                 to that?
  1. activity
  2. react
  3. graphite
  4. unicycle
Grade 10 Periodic Table and Elements
Which of the following properties correctly describes an alkaline earth metal?
  1. It does not react with air.
  2. It reacts violently with water.
  3. It is found in nature as an atom.
  4. It has a high electronegativity value.
Grade 2 Prefixes and Suffixes
Form the word.

react + or
  1. reacter
  2. reactor
  3. reacteor
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