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Hard QUICK The fusion of the male gametes and the female gametes occur in:Which of the following statements is not correct about ionic compounds?
Which of the following statements is not correct about ionic compounds?A. Ionic compounds are good conductors of electricity.
Which of the following statements is not correct about ionic compounds?A. Ionic compounds are good conductors of electricity.B. They have low melting and boiling points.
Which of the following statements is not correct about ionic compounds?A. Ionic compounds are good conductors of electricity.B. They have low melting and boiling points.C. They are solids.
Which of the following statements is not correct about ionic compounds?A. Ionic compounds are good conductors of electricity.B. They have low melting and boiling points.C. They are solids.D. They are soluble in water.The atomic numbers of four elements P, Q , R and S are 6, 8 , 10 and 13 respectively. Identify the metal among these elements.Assertion(A): Universal indicator gives green colour with distilled water. Reason (R): pH of distilled water is 7 and it is neutral and universal indicator gives green colour with neutral solution.An electric current can be produced in a closed loopCommercial electric motors do not useWhich of the following is not an artificial method of vegetative propagation?Which of the following is not an artificial method of vegetative propagation?
Which of the following is not an artificial method of vegetative propagation?A. Cutting.
Which of the following is not an artificial method of vegetative propagation?A. Cutting.B. Layering.
Which of the following is not an artificial method of vegetative propagation?A. Cutting.B. Layering.C. Budding.
Which of the following is not an artificial method of vegetative propagation?A. Cutting.B. Layering.C. Budding.D. Grafting.Sodium carbonate is a basic salt because it is a salt ofMagnetic field lines inside a long current carrying solenoid are nearbyThe image of a candle flame placed at a distance of 30 cm from a mirror is formed on a screen placed in front of the mirror at a distance of 60 cm from its pole. What is the nature of the mirror? Find its focal length.Which of the following is not associated with Fleming's right hand ruleWhen pollen grains from one flower of a plant fall on the stigma of another flower of the same plant and germinate, the pollination is calledAn example of amphoteric oxide is
An example of amphoteric oxide isA. Copper oxide.
An example of amphoteric oxide isA. Copper oxide.B. Zinc oxide.
An example of amphoteric oxide isA. Copper oxide.B. Zinc oxide.C. Calcium oxide.
An example of amphoteric oxide isA. Copper oxide.B. Zinc oxide.C. Calcium oxide.D. Sodium oxide.A ray of light which is falling at a concave mirror, is initially parallel to principal axis. After reflection this rayWhich of the following phenomena occur, when a small amount of acid is added to water? [a. Ionisation] [b. Neutralisation] [c. Dilution] [d. Salt formation]