Grade 8 Chemistry Review
Quiz by Samuel Lahr
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20 questions
Show answers
- Q1Which element has the atomic number 6?OxygenHydrogenNitrogenCarbon30s
- Q2What is the chemical symbol for gold?CuAuAgFe30s
- Q3What is the state of matter of water at room temperature?PlasmaLiquidGasSolid30s
- Q4What is the atomic number of oxygen?462830s
- Q5Which of the following is a chemical change?Mixing salt and waterCutting a piece of woodBurning paperMelting ice30s
- Q6What is the atomic symbol for helium?CHHeO30s
- Q7Which of the following is an example of a physical change?Melting ice to form waterCooking an eggRusting ironBurning wood to ash30s
- Q8What is the chemical formula for water?NaClCO2H2OHCl30s
- Q9Which of the following is an example of a chemical change?Boiling waterCutting a piece of paperMelting butterBaking a cake30s
- Q10Which of the following is an example of a physical property?ReactivityToxicityDensityFlammability30s
- Q11Which of the following is an example of a chemical change?Burning woodCutting a piece of paperMelting iceMixing salt and water30s
- Q12Which of the following is a characteristic of an acid?Sweet tasteSour tasteSalty tasteBitter taste30s
- Q13Which of the following is a characteristic of a base?Bitter tasteSour tasteSalty tasteSweet taste30s
- Q14What is the formula for calculating density?Density = Volume/MassVolume = Density x MassDensity = Mass/VolumeMass = Density x Volume30s
- Q15Which of the following is an example of a heterogeneous mixture?WaterSugarSaltGranola30s