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M P Keshari

Archive for the ‘CBSE X’ Category

SCIENCE – X

This item was filled under [ CBSE X ]

SCIENCE –  X   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE   Q.1.    The lowest value of pH is given by :   (a) 1M NaOH                                                              (b) 1M HCl   (c) 0.05M NaOH                                                         (d) 0,05M H2SO4   Q.2.    Choose the slow reaction from :  

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SCIENCE – X

This item was filled under [ CBSE X ]

SCIENCE – X   OBJECTIVE  TYPE QUESTION   MULTIPLE CHOICE   Q.1.    The highest pH (14) is given by :   (a) 1M NaOH                                                              (b) 1M HCl   (c) 0.5M H2SO4 (d) 0.5M HCl   Q.2.    Rate of reaction depends upon :  

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SCIENCE – X

This item was filled under [ CBSE X ]

SCIENCE – X   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE   Q.1.    pH of a substance is :   (a) log[OH-]                                                     (b) –log[H+]   (c) log[H+]                                                       (d) –log[OH-]   Q.2.     H+ ion concentration of a solution is 10-5, its pH is :  

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SCIENCE – X

This item was filled under [ CBSE X ]

SCIENCE – X   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE   Q.1.    Acids transfer the proton to other molecules, according to :   (a) Bronsted and Lowry                                             (b) Lewis   (c) Arhenius                                                                (d) Ostwald   Q. 2.    pH of a neutral solution is :  

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SCIENCE – X

This item was filled under [ CBSE X ]

SCIENCE – X   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE   Q. 1.    [H+] of a solution is 10 – 9,  its pH is :   (a) – 9                          (b)  9                            (c)  10                          (d) – 1   Q. 2.    Equilibrium in a chemical reaction is said to have been established when the [...]

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SCIENCE – X – CBSE

This item was filled under [ CBSE X ]

SCIENCE – X Chemical     Reaction     and    Equations Q. 1. What is a chemical equation ? Explain with examples.   Ans. The chemical language of a chemical reaction is communicated by means of   chemical equation. It is an expression for a given chemical change in terms of symbols   and formula of reactants and products. [...]

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MATHEMATICS – X

This item was filled under [ CBSE X, COMPETITION, ICSE ]

MATHEMATICS-X   OBJECTIVE   MULTIPLE CHOICE   Q.1.     Value of ‘m’  such that the system of linear equations:   (2m – 1)x + 3y – 5 = 0  and 3x + (n – 1)y – 2 = 0,   have infinite solution is :   (a) 11/5                        (b) 7/5                          (c) 17/4                        (d) [...]

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mathematics – X

This item was filled under [ CBSE X, COMPETITION, ICSE ]

MATHEMATICS-X   OBJECTIVE MULTIPLE CHOICE   Q.1.     The value of α for which the system of linear equations   2x + 3y = 7      and      2αx + (α + β)y = 28   has infinite number of solutions is :   (a) 4                             (b) 8                             (c) 6                             (d) 5   [...]

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MATHS – X

This item was filled under [ CBSE X, COMPETITION, ICSE ]

MATHEMATICS-X   OBJECTIVE  TYPE QUESTION   MULTIPLE CHOICE   Q.1.     The value of ‘p’ and ‘q’ for which the system of linear equation :   2x + 3y = 7  and  (p + q) x + (2p – q) y = 21   has infinite number of solution are :   (a) 4, 3                         [...]

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MATHS – X

This item was filled under [ CBSE X, COMPETITION, ICSE ]

MATHEMATICS -X   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE   Q.1.     The value of ‘k’ for which the system of linear equation :   kx + 3y = 2k + 1 and 2(k + 1)x + 9y = 7k + 1   have infinite solution is :   (a) 2                             (b) 1                             (c) [...]

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