Chemistry Challenge: Properties and Transformations (lowersixth science :chemistry)

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Test your knowledge on chemical properties and transformations in this fun quiz game!

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Chemistry Challenge: Properties and Transformations (lowersixth science :chemistry)


Froggy Jumps Chemistry Challenge: Properties and Transformations (lowersixth science :chemistry)Version en ligne Test your knowledge on chemical properties and transformations in this fun quiz game! par YAKILI LMS 1 What is a physical property? a A characteristic that can be observed without changing the substance. b A change that alters the chemical composition. c A property that only exists in gases. 2 Which of the following is a chemical change? a Melting ice. b Dissolving sugar in water. c Rust forming on iron. 3 What happens during a chemical transformation? a Mass is lost in the process. b Substances are converted into different substances. c Only physical states change. 4 What is an example of a physical change? a Burning wood. b Baking a cake. c Boiling water. 5 What is the law of conservation of mass? a Mass can be created in reactions. b Mass only changes form in physical changes. c Mass is neither created nor destroyed in a chemical reaction. 6 Which property describes how a substance reacts with oxygen? a Melting point. b Flammability. c Density. 7 What is an example of a chemical property? a Color. b Reactivity with acids. c Boiling point. 8 What type of change is freezing water? a Physical change. b Nuclear change. c Chemical change. 9 What is a common indicator of a chemical change? a Change in temperature only. b Color change. c Change in shape. 10 What does solubility refer to? a The ability of a substance to dissolve in a solvent. b The ability to change state. c The ability to conduct electricity. 11 What is a physical property? a A characteristic that can be observed without changing the substance. b A change that alters the substance's identity. c A property that only applies to gases. 12 Which of the following is a chemical change? a Sugar dissolving in water. b Ice melting to water. c Rust forming on iron. 13 What does the law of conservation of mass state? a Mass is neither created nor destroyed in a chemical reaction. b Mass can be created in reactions. c Mass can be destroyed in reactions. 14 What is an example of a physical change? a Burning wood. b Baking a cake. c Melting of ice. 15 What is a chemical property? a A property that can be measured without changing the substance. b A property that only applies to solids. c A characteristic that describes a substance's ability to undergo a chemical change. 16 Which of the following indicates a chemical change has occurred? a Color change in a substance. b Change in shape only. c Change in temperature only. 17 What is an example of a transformation? a Dissolving salt in water. b Combustion of gasoline. c Freezing water into ice. 18 Which process is NOT a chemical transformation? a Fermenting grapes into wine. b Burning paper. c Dissolving sugar in water. 19 What is meant by a 'reactant'? a A product formed in a reaction. b A substance that undergoes a chemical change in a reaction. c A catalyst that speeds up reactions. 20 What is a common indicator of a chemical reaction? a Change in color only. b Production of gas. c Change in mass only. 21 What is the empirical formula for C6H12? a C3H6 b CH2 c C2H4 22 How do you calculate the empirical formula? a Add the atomic masses together. b Multiply the subscripts by 2. c Divide the moles of each element by the smallest number of moles. 23 What does the molecular formula represent? a The total mass of the compound. b The simplest ratio of elements. c The actual number of atoms of each element in a molecule. 24 Which of the following is a molecular formula? a CH2O b C6H12O6 c C3H6 25 What is the empirical formula of glucose (C6H12O6)? a C3H6O3 b C2H4O2 c CH2O 26 If a compound has an empirical formula of CH and a molar mass of 78 g/mol, what is its molecular formula? a C6H6 b C3H3 c C2H2 27 What is the first step in finding an empirical formula? a Determine the mass or moles of each element. b Calculate the molar mass. c Identify the compound's color. 28 Which of the following compounds has the empirical formula C2H5? a C3H8 b C2H6 c C4H10 29 What is the empirical formula for a compound with the molecular formula C8H16? a C4H8 b C2H4 c C8H16 30 In the formula C3H6O, what is the empirical formula? a C3H6O b C2H4O c CH2O 31 What is the basic unit of matter? a Molecule b Atom c Compound 32 Which state of matter has a definite shape? a Solid b Liquid c Gas 33 What process changes a solid directly to a gas? a Evaporation b Sublimation c Condensation 34 What is the term for a mixture that is uniform throughout? a Heterogeneous mixture b Homogeneous mixture c Compound 35 Which property describes a substance's ability to be hammered into thin sheets? a Ductility b Malleability c Brittleness 36 What is the process called when a liquid turns into a gas? a Sublimation b Condensation c Evaporation 37 What type of change alters the form of a substance but not its identity? a Nuclear change b Chemical change c Physical change 38 Which property is NOT a characteristic of metals? a Conductivity b Brittleness c Luster 39 What is the term for the amount of space an object occupies? a Density b Mass c Volume 40 What happens to the molecules in a gas when heated? a They move faster b They condense c They slow down 41 What is the basic unit of matter? a Compound b Molecule c Atom 42 Which state of matter has a definite shape and volume? a Liquid b Gas c Solid 43 What process turns a solid directly into a gas? a Condensation b Evaporation c Sublimation 44 What property describes how much mass is in a given volume? a Weight b Volume c Density 45 Which transformation involves a change in state but not in chemical composition? a Physical change b Chemical change c Nuclear change 46 What is the process called when a gas turns into a liquid? a Sublimation b Condensation c Evaporation 47 Which state of matter has no fixed shape and takes the shape of its container? a Solid b Gas c Liquid 48 What is the term for a mixture that has a uniform composition? a Heterogeneous mixture b Homogeneous mixture c Compound 49 What happens to the molecules in a substance when it is heated? a They move slower b They stop moving c They move faster 50 What is the change from liquid to gas called? a Sublimation b Evaporation c Condensation

Chemistry Challenge: Properties and Transformations (lowersixth science :chemistry)

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Chemistry Challenge: Properties and Transformations (lowersixth science :chemistry)Version en ligne

par YAKILI LMS

What is a physical property?

Which of the following is a chemical change?

What happens during a chemical transformation?

What is an example of a physical change?

What is the law of conservation of mass?

Which property describes how a substance reacts with oxygen?

What is an example of a chemical property?

What type of change is freezing water?

What is a common indicator of a chemical change?

What does solubility refer to?

What is a physical property?

Which of the following is a chemical change?

What does the law of conservation of mass state?

What is an example of a physical change?

What is a chemical property?

Which of the following indicates a chemical change has occurred?

What is an example of a transformation?

Which process is NOT a chemical transformation?

What is meant by a 'reactant'?

What is a common indicator of a chemical reaction?

What is the empirical formula for C6H12?

How do you calculate the empirical formula?

What does the molecular formula represent?

Which of the following is a molecular formula?

What is the empirical formula of glucose (C6H12O6)?

If a compound has an empirical formula of CH and a molar mass of 78 g/mol, what is its molecular formula?

What is the first step in finding an empirical formula?

Which of the following compounds has the empirical formula C2H5?

What is the empirical formula for a compound with the molecular formula C8H16?

In the formula C3H6O, what is the empirical formula?

What is the basic unit of matter?

Which state of matter has a definite shape?

What process changes a solid directly to a gas?

What is the term for a mixture that is uniform throughout?

Which property describes a substance's ability to be hammered into thin sheets?

What is the process called when a liquid turns into a gas?

What type of change alters the form of a substance but not its identity?

Which property is NOT a characteristic of metals?

What is the term for the amount of space an object occupies?

What happens to the molecules in a gas when heated?

What is the basic unit of matter?

Which state of matter has a definite shape and volume?

What process turns a solid directly into a gas?

What property describes how much mass is in a given volume?

Which transformation involves a change in state but not in chemical composition?

What is the process called when a gas turns into a liquid?

Which state of matter has no fixed shape and takes the shape of its container?

What is the term for a mixture that has a uniform composition?

What happens to the molecules in a substance when it is heated?

What is the change from liquid to gas called?