science test class 10

What is microgravity?

How does gravitational force vary with distance?

What is the shape of the Earth's orbit around the Sun?

In the reaction 2H₂ + O₂ → 2H₂O, what is the ratio of hydrogen to water by volume?

What happens to atomic radius across a period?

What is the result when an acid reacts with a metal carbonate?

Elements in the same group of the periodic table have similar:

What is gravitation?

What is the SI unit of weight?

Which of the following is a noble gas?

What is the force acting on an object due to gravity called?

Which part of the human body contains the smallest bones?

What is the approximate percentage of nitrogen in Earth's atmosphere?

What is the chemical symbol for gold?

What is the chemical formula of limewater?

What is the SI unit of power?

Which planet is known as the "Red Planet"?

What is the term for the resistance of a fluid to flow?

What is the mode of nutrition in fungi?

Which planet is known as the Red Planet?

What is the term for the resistance of a liquid to flow?

What is the main gas responsible for the greenhouse effect?

What is the formula of acetic acid?

What is the functional unit of the kidney?

What is the term for the splitting of a nucleus into two smaller nuclei, releasing energy?

What is the term for the process of heat transfer in fluids due to density differences?

What is the name of the process in which water changes directly into vapor without becoming a liquid?

What is the chemical formula of quicklime?

What is the chemical name of washing soda?

What is the effect of rusting on the weight of iron?

Which organelle is called the powerhouse of the cell?

What is the function of a fuse in an electric circuit?

What is the boiling point of water at sea level?

What is the chemical formula of quicklime?

What is the process of removing soluble impurities from water?

Which gas is required for combustion?

What is the effect of acid rain on marble structures?

What is the term for the force per unit area applied on a surface?

Which gas is used in fire extinguishers?

Which acid is present in lemon?

What is the main source of energy for the water cycle?

What is the process of separating grains from chaff?

What is the chemical formula of gypsum?

What is the pH value of a neutral solution?

Which metal is most reactive according to the reactivity series?

What is the term for the number of protons in the nucleus of an atom?

What is the function of xylem in plants?

What is the mode of reproduction in amoeba?

What is the main component of a cell wall in plants?

Which process is used for separating components of a mixture based on boiling points?

What is the phenomenon responsible for the blue color of the sky?

What is the name of the instrument used to measure temperature?

What is the speed of light in a vacuum?

What is the name of the process by which plants release oxygen?

Which vitamin is also known as ascorbic acid?

What is the SI unit of energy?

Which part of the brain controls balance and coordination?

What is the process by which plants lose water in the form of vapor?

What is the process by which plants convert sunlight into food?

What is the valency of nitrogen in NH₃?

Which organelle is known as the powerhouse of the cell?

What is the chemical name of vinegar?

What is the chemical formula of methane?

What is the term for the removal of topsoil by wind or water?

What is the unit of resistance?

Which vitamin is essential for healthy eyes?

What is the term for the change of state directly from solid to gas?

What is the pH value of acidic solutions?

What is the main function of red blood cells?

What is the process of removing waste products from the body called?

What is the term for the energy possessed by a body due to its motion?

Which vitamin helps in blood clotting?

What is the process of depositing a layer of metal on another material using electricity?

What is the formula for calculating speed?

What is the primary function of the stomata in plants?

What is the speed of light in a vacuum?

What is the chemical formula of ethanol?

What is the natural satellite of Earth?

What is the formula of ethane?

What is the name of the smallest unit of life?