Flash Card What is the SI unit of density? Kilogram per cubic meter1/25What is the SI unit of temperature? Kelvin2/25Which instrument is used to measure atmospheric pressure? Barometer3/25Which instrument is used to measure mass? Beam Balance4/25Which of the following is used to measure the volume of irregularly shaped objects? Displacement MethodQuestion Explanation:The displacement method involves measuring the volume of water displaced by the object when it is submerged. 5/25.............. is a bicarbonate radical HCO₃-6/25Which of the following materials expands the most when heated? Mercury7/25............ g of water make 1 mole of water. 188/25The valency of element with electronic configuration ........... is 2. (2, 6)9/25The symbol of Avogadro’s number is ............... NA10/25Which of the following statements about density is correct? Density is the ratio of volume to mass.Question Explanation:Density is defined as the ratio of mass to volume of an object, and it is a characteristic property of the material, independent of its size. 11/25Which of the following instruments is used to measure length with high precision? Vernier Caliper12/25Which of the following is a derived unit? NewtonQuestion Explanation:Newton is a derived unit of force, defined as the force required to accelerate a one-kilogram mass by one meter per second squared. 13/25The formula to calculate density is: Density = Volume ÷ Mass14/25What is the density of water? 1 g/cm^3Question Explanation:The density of water is approximately 1 gram per cubic centimeter (g/cm^3) at standard conditions. 15/25A mole of any substance stands for ............... molecules. 6.022 × 102316/25What is the SI unit of length? Meter17/25The SI unit of volume is: Cubic meter18/25Molecular formula of sodium sulphate is................. Na₂SO₄19/25Iron (Fe) exhibits the variable valencies as.............. . 2 and 320/25Which of the following materials has the highest density? Iron21/25The mass of an atom is concentrated in its........... . nucleus22/25What is the SI unit of mass? Kilogram23/25............is a composite radical. NH₄+24/25The unit Dalton is used to express................. . atomic mass25/25PrevNext Class 9 | Measurement of Matter NameEmailWhatsApp Mobile No. 1 / 25 …………is a composite radical. NH₄+ S²- Ca²+ Fe³+ 2 / 25 Iron (Fe) exhibits the variable valencies as………….. . 2 and 3 1 and 3 2 and 4 1 and 2 3 / 25 A mole of any substance stands for …………… molecules. 6.022 × 1022 60.22 × 1023 60.22 × 1022 6.022 × 1023 4 / 25 The symbol of Avogadro’s number is …………… NB NA NO ND 5 / 25 The SI unit of volume is: Centimeter Cubic meter Kilogram Liter 6 / 25 The valency of element with electronic configuration ……….. is 2. (2, 7) (2, 4) (2, 6) (2, 5) 7 / 25 Which instrument is used to measure atmospheric pressure? Anemometer Thermometer Hygrometer Barometer 8 / 25 Which of the following materials has the highest density? Iron Plastic Aluminum Wood 9 / 25 The mass of an atom is concentrated in its……….. . extra nuclear part nucleus protons electrons 10 / 25 What is the density of water? 0.1 g/cm^3 1 g/cm^3 10 g/cm^3 100 g/cm^3 The density of water is approximately 1 gram per cubic centimeter (g/cm^3) at standard conditions. 11 / 25 ………….. is a bicarbonate radical CO₃- CO₃²- HCO₃²- HCO₃- 12 / 25 Which of the following is a derived unit? Pascal Meter Newton Kilogram Newton is a derived unit of force, defined as the force required to accelerate a one-kilogram mass by one meter per second squared. 13 / 25 What is the SI unit of length? Meter Gram Centimeter Kilogram 14 / 25 ………… g of water make 1 mole of water. 18 33 32 16 15 / 25 What is the SI unit of mass? Gram Newton Pound Kilogram 16 / 25 The formula to calculate density is: Density = Mass × Length Density = Volume ÷ Mass Density = Mass × Volume Density = Mass × Area 17 / 25 What is the SI unit of density? Gram Newton Kilogram per cubic meter Kilogram 18 / 25 Molecular formula of sodium sulphate is…………….. Na₂SO₄ NaSO₄ Na₂(SO₄)₂ Na(SO₄)₂ 19 / 25 Which of the following materials expands the most when heated? Steel Copper Aluminum Mercury 20 / 25 Which of the following statements about density is correct? Density is a scalar quantity. Density depends on the size of the object. Density is the ratio of volume to mass. Density decreases with increasing mass. Density is defined as the ratio of mass to volume of an object, and it is a characteristic property of the material, independent of its size. 21 / 25 What is the SI unit of temperature? Celsius Fahrenheit Kelvin Joule 22 / 25 Which of the following is used to measure the volume of irregularly shaped objects? Graduated Cylinder Beaker Pipette Displacement Method The displacement method involves measuring the volume of water displaced by the object when it is submerged. 23 / 25 Which instrument is used to measure mass? Thermometer Beam Balance Stopwatch Vernier Caliper 24 / 25 Which of the following instruments is used to measure length with high precision? Ruler Measuring Tape Stopwatch Vernier Caliper 25 / 25 The unit Dalton is used to express…………….. . atomic radius mass number atomic mass atomic number Your score is The average score is 0% 0% Restart quiz

Class 9 | Reflection Of Light Class 9 | Maharashtra Board | Quiz + Flash Cards, Quiz + Flashcards / By Shubham Jha

Class 9 | Study of Sound 1 Comment / Class 9 | Maharashtra Board | Quiz + Flash Cards, Quiz + Flashcards / By Shubham Jha