# Chapter 10 Gravitation MCQ Test 3 Science| Class 9th

Online test of Chapter 10 Gravitation 3 Science| Class 9th Questions : 1. The mass of an object is 60 kg on the earth. This object was carried to the moon. The mass of the body on the moon will be (a) 6 kg. (b) 60 kg. (c) 10 kg. (d) 360 kg. 2. The weight of a 1 kilogram mass body on the earth will be (a) 1 N. (b) 9.8 N. (c) 0. (d) 100 N. 3. What is the direction of centripetal force on an object moving with constant speed in a circular tr

# Chapter 10 Gravitation MCQ Test 1 Science| Class 9th

Online test of Chapter 10 Gravitation 1 Science| Class 9th Questions : 1. What is the centripetal force that makes moon revolve around earth? (a) Gravitational Force (b) Electrostatic Force (c) Magnetic Force (d) None 2. The mass of an object is the measure of its (a) pressure. (b) weight. (c) inertia. (d) thrust. 3. Which of the following case do not take place due to gravitational force? (a) Earth revolution around Sun (b) Magnet attr

# Chapter 3 Atoms and Molecules MCQ Test 1 Science| Class 9th

Online test of Chapter 3 Atoms and Molecules 1 Science| Class 9th Questions: 1. The formula of a chloride of a metal M is MCl3, the formula of the phosphate of metal M will be (a) MPO4 (b) M2PO4 (c) M3PO4 (d) M2(PO4)3 2. The ratio of H:O by mass in hydrogen peroxide (H2O2) is (a) 16 : 1 (b) 1 : 8 (c) 1 : 32 (d) 1 : 16 3. Which has the largest number of molecules? (a) 54 g of N2O5 (b) 28 g of CO2 (c) 36 g of H2O (d) 46 g of C2H5OH 4

# Chapter 1 Matter in Our Surroundings MCQ Test 3 Science| Class 9th

Online test of Chapter 1 Matter in our Surrounding 3 Science| Class 9th Questions : 1. The boiling points of the liquids decrease in the following order: B.P of water > B.P of kerosene > B.P of alcohol > B.P of petrol. Which of the following order is correct for decreasing rate of evaporation? (a) water > alcohol = kerosene > petrol (b) petrol > alcohol > kerosene > water (c) remains same in all liquids (d) water > kero

# Chapter 1 Matter in Our Surroundings MCQ Test 2 Science| Class 9th

Online Test of Chapter 1 Matter in our Surrounding 2 Science| Class 9th Questions : 1. Which of the following substances exhibit the strongest intermolecular forces of attraction? a. water(l) b. ethanol(l) c. CO2(g) d. sugar(s) 2. Which condition out of the following increase the evaporation of water? (a) Increase in temperature of water (b)Decrease in temperature of water (c) Adding common salt to water (d)Less exposed surface area of water

# Chapter 1 Matter in Our Surroundings MCQ Test 1 Science| Class 9th

Online test of Chapter 1 Matter in our Surrounding 1 Science| Class 9th Questions : 1. During evaporation, particles of a liquid change to vapours only: (a) from the surface (b) from the bulk (c) from both surface and bulk (d) neither from surface nor from bulk 2. Which of the following statements is incorrect? (a) Matter is made up of particles (b) Matter is continuous in nature (c) Particles of matter are always in state of motion (d) Part

# Chapter 2 Is Matter Around Us Pure MCQ Test 3 Science| Class 9th

Online Test of Chapter 2 Is Matter Around us Pure 3 Science| Class 9th Questions : 1. The properties of mixture are _______ from its components. (a) similar (b) slightly different (c) entirely different (d) different 2. The smell of hydrogen sulphide (HS) gas is (a) pleasant (b) of rotten eggs (c) of burning sulphur (d) None of these 3. Water is a compound because its (a) composition is fixed (b) properties are different from its compon

# Chapter 2 Is Matter Around Us Pure MCQ Test 2 Science| Class 9th

Online Test of Chapter 2 Is Matter Around us Pure 2 Science| Class 9th Questions : 1. An example of a liquid metal and a liquid non-metal is (a) gallium, mercury (b) mercury, chlorine (c) mercury, bromine (d) bromine, sulphur 2. Which out of the following is a heterogeneous mixture? (a) air (b) brass (c) iodised table salt (d) steel 3. Brass is an example of a (a) homogeneous compound (b) homogeneous mixture (c) heterogeneous mixture

# Chapter 2 Is Matter Around Us Pure MCQ Test 1 Science| Class 9th

Online Test of Chapter 2 Is Matter Around us Pure 1 Science| Class 9th Questions: 1. After heating common salt and ammonium chloride for a few minutes, we can observe the following on the upper part of the inverted funnel: (a) reddish brown deposit. (b) water droplets (c) a white solid deposit (d) a yellow gas 2. Which of the following is a metalloid? (a) Germanium (b) Gallium (c) Carbon (d) Sodium 3. Who was the first person to use the t

# Chapter 3 Atoms and Molecules MCQ Test 3 Science| Class 9th

Online Test of Chapter 3 Atoms and Molecules 2 Science| Class 9th Questions : 1. The percentage of water of crystallisation in CuSO4.5H2O is (a) 36.07 (b) 72.14 (c) 9.02 (d) 56.15 2. Which has the maximum number of atoms? (a) 108 g of Ag (b) 56 g of Fe (c) 27 g of Al (d) 24 g of 12C 3. 8 g of O2 has the same number of molecules as (a) 22 g of CO2 (b) 7 g of CO (c) 14 g of CO (d) 28 g of CO 4. A sample of pure water, irrespective of