Chemistry- (Unit 1) Cumulative Review exam questions with complete solutions
Chemistry- (Unit 1) Cumulative Review exam questions with complete solutions Which of the following observations would indicate that a material is a pure substance? It does not dissolve in water. It changes color after heating. It cannot be physically broken down into different types of atoms. It can be physically broken down into different types of molecules. ️️It cannot be physically broken down into different types of atoms. Which word equation shows lithium oxide being formed from the reaction between oxygen and lithium? oxygen + lithium oxide > lithium lithium + oxygen > lithium oxide oxygen + lithium > lithium + oxide lithium oxide > lithium + oxygen ️️lithium + oxygen lithium oxide
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chemistry unit 1 cumulative review exam
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questions with complete solutions
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