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THe number of formula units of calcium fluoride CaF2 present in 146.4 g of CaF2 (the molar mass of CaF2 is 78.08 g/mol ) is
22
Nov
THe number of formula units of calcium fluoride CaF2 present in 146.4 g of CaF2 (the molar mass of CaF2 is 78.08 g/mol ) is THe number of formula units of calcium fluoride CaF2 present in 146.4 g of CaF2 (the molar mass of CaF2 is 78.08 g/mol ) is November 22, 2020 Category: Uncategorised [...]
The total number of protons in 10 g of calcium carbonate is (N0 = 6.023 x 10^23 )
22
Nov
The total number of protons in 10 g of calcium carbonate is (N0 = 6.023 x 10^23 ) The total number of protons in 10 g of calcium carbonate is (N0 = 6.023 x 10^23 ) November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
THe incorrect statement for 14 g of CO is (a) it occupies 2.24 l of NTP (b) it corresponds to 1/2 ,mole of CO
22
Nov
THe incorrect statement for 14 g of CO is (a) it occupies 2.24 l of NTP (b) it corresponds to 1/2 ,mole of CO mole of CO THe incorrect statement for 14 g of CO is (a) it occupies 2.24 l of NTP (b) it corresponds to 1/2 November 22, 2020 Category: Uncategorised (JEE Advanced [...]
Which has maximum number of atoms (a) 24 gms of C12 (b) 56 gms of Fe 56 (c) 27 gms of Al 27 (d) 108 gms of Ag 108
22
Nov
Which has maximum number of atoms (a) 24 gms of C12 (b) 56 gms of Fe 56 (c) 27 gms of Al 27 (d) 108 gms of Ag 108 Which has maximum number of atoms (a) 24 gms of C12 (b) 56 gms of Fe 56 (c) 27 gms of Al 27 (d) 108 gms [...]
Show that the square of any positive integer is either of the form 4q or, 4q + 1 for some integer q.
22
Nov
Show that the square of any positive integer is either of the form 4q or, 4q + 1 for some integer q. 4q + 1 for some integer q. Show that the square of any positive integer is either of the form 4q or November 22, 2020 Category: Chapter 1 - Real Numbers , Maths [...]
A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form of p/q ? Give Reasons.
22
Nov
A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form of p/q ? Give Reasons. A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q when this number is [...]
Without actually performing the long division, find if 987\10500 will have terminating or non-terminating repeating decimal expansion. Give reasons for your answer.
22
Nov
Without actually performing the long division, find if 987\10500 will have terminating or non-terminating repeating decimal expansion. Give reasons for your answer. find if 987\10500 will have terminating or non-terminating repeating decimal expansion. Give reasons for your answer. Without actually performing the long division November 22, 2020 Category: Chapter 1 - Real Numbers , Maths [...]
Can two numbers have 18 as their HCF and 380 as their LCM ? Give reason.
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Nov
Can two numbers have 18 as their HCF and 380 as their LCM ? Give reason. Can two numbers have 18 as their HCF and 380 as their LCM ? Give reason. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Explain why `3 x 5 x 7 + 7` is a composite number.
22
Nov
Explain why `3 x 5 x 7 + 7` is a composite number. Explain why `3 x 5 x 7 + 7` is a composite number. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
The number 525 and 3000 are both divisible only 3,5,15,25,75. What is HCF (525, 3000)? Justify your answer.
22
Nov
The number 525 and 3000 are both divisible only 3,5,15,25,75. What is HCF (525, 3000)? Justify your answer. 15 25 3000)? Justify your answer. 5 75. What is HCF (525 The number 525 and 3000 are both divisible only 3 November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 [...]