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If n is an odd integer, then show that n^2 – 1 is divisible by 8.
22
Nov
If n is an odd integer, then show that n^2 – 1 is divisible by 8. If n is an odd integer then show that n^2 – 1 is divisible by 8. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Show that the square of any odd integer is of the form 4q + 1, for some integer q.
22
Nov
Show that the square of any odd integer is of the form 4q + 1, for some integer q. For some integer q Show that the square of any odd integer is of the form 4q + 1 November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Show that the square of any positive integer cannot be the form 6m+2 or 6m+5 for any integer m.
22
Nov
Show that the square of any positive integer cannot be the form 6m+2 or 6m+5 for any integer m. Show that the square of any positive integer cannot be the form 6m+2 or 6m+5 for any integer m. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Common salt obtained from sea water contains 95 % Nacl by mass. The approximate number of molecules present in 10 g of the salt is
22
Nov
Common salt obtained from sea water contains 95 % Nacl by mass. The approximate number of molecules present in 10 g of the salt is Common salt obtained from sea water contains 95 % Nacl by mass. The approximate number of molecules present in 10 g of the salt is November 22, 2020 Category: Uncategorised [...]
Show that the square of any positive integer cannot be the form of 5q + 2 or 5q + 3 , for any integer “q “.
22
Nov
Show that the square of any positive integer cannot be the form of 5q + 2 or 5q + 3 , for any integer “q “. for any integer "q ". Show that the square of any positive integer cannot be the form of 5q + 2 or 5q + 3 November 22, 2020 Category: [...]
Show that cube of any positive integer is of form 4m, 4m+1 or 4m+3 for some integer m.
22
Nov
Show that cube of any positive integer is of form 4m, 4m+1 or 4m+3 for some integer m. 4m+1 or 4m+3 for some integer m. Show that cube of any positive integer is of form 4m November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Sodium nitrate on reduction with Zn in presence of NaOH solution produces NH3. Mass of sodium nitrate absorbing 1 mole of electron will be
22
Nov
Sodium nitrate on reduction with Zn in presence of NaOH solution produces NH3. Mass of sodium nitrate absorbing 1 mole of electron will be Sodium nitrate on reduction with Zn in presence of NaOH solution produces NH3. Mass of sodium nitrate absorbing 1 mole of electron will be November 22, 2020 Category: Uncategorised (JEE Advanced [...]
Mass of 0.1 mole of methane is (a) 1.6 g (b) 0.1 g (c) 1 g (d) 16 g
22
Nov
Mass of 0.1 mole of methane is (a) 1.6 g (b) 0.1 g (c) 1 g (d) 16 g Mass of 0.1 mole of methane is (a) 1.6 g (b) 0.1 g (c) 1 g (d) 16 g November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
THe number of g – atom of oxygen in 6.02 x 10^24 CO molecule is (a)1 (b) 0.5 (c) 5 (d) 10
22
Nov
THe number of g – atom of oxygen in 6.02 x 10^24 CO molecule is (a)1 (b) 0.5 (c) 5 (d) 10 THe number of g - atom of oxygen in 6.02 x 10^24 CO molecule is (a)1 (b) 0.5 (c) 5 (d) 10 November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Volume occupied by one molecule of water ( density = 1gm/cm^3 )is
22
Nov
Volume occupied by one molecule of water ( density = 1gm/cm^3 )is Volume occupied by one molecule of water ( density = 1gm/cm^3 )is November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,