Dalton’s atomic theory says that atoms are indivisible. In this statement still valid? Give reasons for your answer.
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Read the extract given below and answer the questions that follow. Write the answer in your answer sheet in one or two lines only.
(i) The frog (ii) The Nightingale (iii) The speaker refers it as poor because she is dead (iv) She died when the veins of her neck bursted.
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Read the extract given below and answer the questions that follow. Write the answer in your answer sheet in one or two lines only?
(i) Calpurnia is the speaker of the above lines. (ii) Calpurnia saw bad omens in her dream regarding Caesar. So, she is worried for him. (iii) Calpurnia is afraid for Caesar’s life...
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One of the statements of Dalton’s atomic theory is given below: “Compounds are formed when atoms of different elements combine in a fixed ratio”
(i), (iv). Statements (i) and (iv) involve masses and volume, respectively. Therefore, these are not related to the statements.
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The author says that a thoughtless word hardly ever escapes his tongue or pen. Which one of the following is not a valid reason for this?
(a) The first six sentences of the passage clearly answers the question. (b), (c) and (d) are clearly mentioned in these sentences. It is not mentioned that the author has...
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Which postulate of Dalton’s Atomic theory suggests the law of conservation of mass?
(D) Atoms can neither be created nor be destroyed.
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Which postulate of Dalton’s atomic theory explains the law of constant proportion?
(C) Elements consist of atoms combined in a fixed ratio.
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"Fiscal deficit is necessarily inflationary in nature". Do you agree? Support your answer with valid reasons.
The term fiscal deficit is the difference between the government’s total expenditure and its total receipts (excluding borrowing). Such borrowing are generally financed by issuing new currency which may lead to...
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“I looked into the mirror and smiled,” says the doctor. A little later he says, “I forgot my danger and smiled feebly at myself.”
(i) The doctor's opinion about himself when he first smiles is that his smile is attractive and he is a handsome bachelor and a doctor too. He has to make...
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Out of the elements X and Y which has bigger atomic radius ? Give reason to justify your answer. (i) X has atomic number 18 and atomic mass 40.
Radius of Y is bigger than that of X. In 'X' the number of shells is three while in Y it is four.
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"Informal organisation cannot be altogether eliminated." Do you agree with this statement? Give reasons in support of your answer.
Yes, because it facilitates: (i) Flexibility in informal group. (ii) Availability of an extra channel of communication i.e., grapevine. (iii) Less risk of confrontation. (iv) Faster spread of information.
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