Class 10 Physics and Chemistry Competitive MCQs
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Questions and Answers

What is the chemical symbol for the element gold?

  • Fe
  • Au (correct)
  • Ag
  • Al

When an object is immersed in a fluid, which of the following properties determines the buoyant force acting on the object?

  • Volume of the object (correct)
  • Depth of the fluid
  • Density of the fluid
  • Weight of the object

In a series circuit with multiple resistors, which statement is true about the current flowing through each resistor?

  • The current depends on the voltage of each resistor
  • The current is the same through each resistor (correct)
  • The current is different through each resistor
  • The current depends on the resistance of each resistor

Which of the following is a physical property of matter?

<p>Density (D)</p> Signup and view all the answers

In a chemical reaction, which of the following is conserved?

<p>Mass (A)</p> Signup and view all the answers

When light passes from air to glass, what happens to its speed?

<p>It decreases (A)</p> Signup and view all the answers

Which of the following is a physical property of matter?

<p>Color (D)</p> Signup and view all the answers

In a chemical reaction, which of the following is conserved?

<p>Mass (D)</p> Signup and view all the answers

When light passes from air to glass, what happens to its speed?

<p>It decreases (C)</p> Signup and view all the answers

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