Chemistry g10
Quiz by Sarrah Jane Timbang
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19 questions
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- Q1What does Charles' Law state about the volume of a gas when the temperature is increased at constant pressure?It decreasesIt increasesIt becomes zeroIt remains the same30s
- Q2What is the relationship between temperature and pressure of a gas at constant volume according to Gay-Lussac's Law?Pressure doubles as temperature is halvedThey are inversely proportionalThey are directly proportionalThere is no relationship30s
- Q3When a sample of gas undergoes a transformation at constant temperature, complying with which gas law does its pressure inversely vary with its volume?Charles' LawGay-Lussac's LawAvogadro's LawBoyle's Law30s
- Q4What law explains the direct proportionality between the volume of a gas and the number of moles of the gas at constant temperature and pressure?Avogadro's LawGay-Lussac's LawCharles' LawBoyle's Law30s
- Q5What happens to the pressure of a gas if its volume is reduced by half while the temperature remains constant, as per Boyle's Law?It halvesIt quadruplesIt doublesIt remains the same30s
- Q6If the volume of a gas is held constant, what happens to the pressure of the gas as the temperature of the gas increases according to Charles Law?The temperature of the gas decreasesThe volume of the gas increasesThe pressure of the gas increasesThe pressure of the gas decreases30s
- Q7In Charles Law, what happens to the volume of a gas if the temperature is decreased while the pressure remains constant?The temperature of the gas decreasesThe volume of the gas increasesThe pressure of the gas increasesThe volume of the gas decreases30s
- Q8What is a chemical reaction?A process that involves the rearrangement of the molecular structure of substancesAn increase in temperatureA change in volumeA physical change in color or state30s
- Q9Which of the following is an example of a chemical reaction?Burning of woodBending of a paper clipRipping a piece of paperMelting of ice30s
- Q10Which of the following is NOT a characteristic of a chemical reaction?Release or absorption of energyChange in state or colorChange in massFormation of new substances30s
- Q11What is the law of conservation of mass in a chemical reaction?Mass is converted into energy in a chemical reactionMass is doubled in a chemical reactionMass is halved in a chemical reactionMass is neither created nor destroyed in a chemical reaction30s
- Q12What is a balanced chemical equation?An equation where the number of atoms of each element is the same on both sides of the equationAn equation that changes the chemical properties of substancesAn equation that only includes reactants and not productsAn equation that involves different elements in each side30s
- Q13Which biomolecule is known as the 'building blocks' of life and are essential for growth and repair?CarbohydratesProteinsLipidsNucleic Acids30s
- Q14Which biomolecule serves as a structural component of cell membranes and helps regulate cellular processes?LipidsProteinsNucleic AcidsCarbohydrates30s
- Q15Which biomolecule is primarily made up of sugar molecules and is a major source of energy in the diet?CarbohydratesNucleic AcidsLipidsProteins30s