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Question: What is the effect of temperature on the rate of a chemical reaction?Options: It decreases..
Question: If the concentration of a reactant is halved in a first-order reaction, what happens to th..
Question: For a zero-order reaction, how does the concentration of reactant affect the rate?Options:..
Question: If the rate constant of a reaction doubles when the temperature increases by 10°C, what is..
Question: A 3 kg object is moving with a speed of 4 m/s. If a net work of 24 J is done on the object..
Question: A 2 kg object is dropped from a height of 5 m. What is the work done by gravity on the obj..
Question: If a force of 12 N is applied at an angle of 30 degrees to the horizontal while moving an ..
Question: A particle moves in a straight line under the influence of a constant force. If the initia..
Question: If a 1000 kg car accelerates from rest to a speed of 20 m/s in 10 seconds, what is the ave..
Question: A cyclist exerts a force of 100 N to maintain a speed of 5 m/s. What is the power output o..
Question: A 1 kg mass is attached to a spring and compressed by 0.2 m. If the spring constant is 100..
Question: A 2 kg object is dropped from a height of 20 m. What is its speed just before it hits the ..
Question: A cyclist accelerates from rest to a speed of 15 m/s. If the mass of the cyclist and the b..
Question: An object is lifted to a height of 10 m. If the mass of the object is 5 kg, what is the gr..
Question: If the length of an object is doubled, what happens to its volume?Options: It remains the ..
Question: Which of the following quantities has the dimension of [M^0 L^1 T^-1]?Options: VelocityAcc..
Question: What is the result of multiplying 6.02 x 10^23 by 3.0, considering significant figures?Opt..
Question: How many significant figures are in the measurement 0.05060?Options: 3452Correct Answer: 4..
Question: When subtracting 100.5 from 200, what is the correct answer considering significant figure..
Question: A mass is measured as 15.0 kg with an uncertainty of ±0.3 kg. If this mass is used to calc..
Question: A student measures the speed of a car as 60.0 km/h with an uncertainty of ±2.0 km/h. What ..
Question: If the density of a substance is measured as 8.0 g/cm³ with an uncertainty of ±0.2 g/cm³, ..
Question: A physical quantity is measured as 50.0 units with an uncertainty of ±1.0 units. If this q..
Question: A length is measured as 100.0 m with an uncertainty of ±0.5 m. If this length is used to c..
Question: In an experiment, the voltage is measured as 12.0 V with an uncertainty of ±0.5 V. What is..
Question: In the context of measurement, what does the term \'precision\' refer to?Options: The clos..
Question: What happens to the rate of heat transfer through a material if its thickness is increased..
Question: Which of the following is an example of heat transfer by radiation?Options: Heating a meta..
Question: What is the term for the amount of heat required to raise the temperature of a unit mass o..
Question: In which of the following processes does the temperature of a gas increase?Options: Isothe..