Chemistry Changes: Test Your Knowledge!
Answer these simple questions correctly and earn coins
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10 Questions
Popular Questions In Chemistry Changes: Test Your Knowledge!
- Which of the following is NOT a sign of a chemical change?
- What is the name given to the process of converting nitrogen in the air into compounds that plants can use?
- Which of these describes the law of conservation of mass?
- What is a catalyst's role in a chemical reaction?
- Which of the following is the correct term for a substance that is dissolved in a solvent?
- What type of reaction involves the transfer of electrons between two chemical species?
- What is the pH of a neutral solution?
- Which gas is commonly produced during the reaction of an acid with a metal?
- What is the name given to the minimum amount of energy needed for a chemical reaction to occur?
- What is the process called when a substance absorbs heat from its surroundings?