- Isomers
- Isotopes
- Isobars
- Isotones
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The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element?
Answer: Option 2 Let'
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Rohit was walking on the street, one boy requested him to donate for cancer patients welfare fund. He gave him a rupee more than half the money he had. He walked a few more steps. Then came a girl who requested him to donate for poor people's fund for which he gave two rupees more than half the money he had then. After that, again a boy approached him for an orphanage fund. He gave three rupees more than half of what he had. At last he had just one rupee remaining in his hand. How much amount did Ram have in his pocket when he started?
Answer: Option 3 Let X be the rupees he initially had. He gave for the cancer fund one rupee more than half of what he had. i.e.,[1 +(X/2)]. Remaining money = X-(1+X/2) =...
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The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called?
Answer: Option 4 The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of...
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The mass of a star is two times the mass of the Sun. How it will come to an end ?
Answer: Option 1 The mass of a star which is two times the mass of the sun turns into a neutron star. A neutron star is a type of stellar...
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Which of the following statements regarding species interdependence are true A. An association of two species where one is benefitted and other remains unaffected called mutualism B. An interspecific association where both partners derive benefit from each other is called commensalism C. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis?
Answer: Option 2 A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation and a relationship between two...
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Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).?
Answer: Option 2 Let'
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Directions : Each of the following question consists of a statement followed by two arguments I and II. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Can pollution be controlled Arguments : I. Yes. If everyone realizes the hazards it may create and cooperates to get rid of it, pollution may be controlled. II. No. The crowded highways, factories and industries and an ever-growing population eager to acquire more and more land for constructing houses are beyond control.?
Answer: Option 3 The control of pollution, on one hand, seems to be impossible because of the ever-growing needs and the disconcern of the people but, on the other hand,...
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A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is?
Answer: Option 1 Let'
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