Nazir Lal Barman

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Nazir Lal Barman

Asked: 3 years agoIn: General Awareness

Mark out the correct statement(s).
A. Total work done by internal forces on a system is always zero
B. Total work done by internal forces on a system may sometimes be zero
C. Total work done by friction can never be zero
D. Total work done by friction is always zero

Nazir Lal Barman

Asked: 3 years agoIn: Class 11

What is Heat budget?

Nazir Lal Barman

Asked: 3 years agoIn: General Awareness

यदि `C_(r),””^(n)C_(r)` को सूचित करें तो साबित कीजिए कि
`(C_(1))/(C_(0))+2.(C_(2))/(C_(1))+3.(C_(3))/(C_(2))+…+n.(C_(n))/(C_(n-1))=(n(n+1))/(2)`

Nazir Lal Barman

Asked: 3 years agoIn: Class 10

Can you give me a five points difference on stock and reserve resources?

Nazir Lal Barman

Asked: 3 years agoIn: General Awareness

1.0 g a of moist sample of a mixture of KCl and `KClO_3` was dissolved in water and made up to `250mL`. 25 ” mL of ” this solution was treated with `SO_2`. The chlorate was reduced to chloride and excess of `SO_2` was removed by boiling. The total chloride was precipitated as `AgCl` . The weight of the precipitate was `0.1435 g`. In another experiment, 25 ” mL of ” the original solution was heated with 30 ” mL of ” 0.2 N solution of ferrous sulphate, and the unreacted ferrous sulphate required 37.5 ” mL of ” 0.08 N solution of an oxidising agent for complete oxidation. Calculate the molar ratio of the chlorate to the chloride in the given mixture `Fe^(2+)` reacts with `ClO_3^(ɵ)` according to the equation.
`ClO_3^(ɵ)+6Fe^(2+)+6H^(o+)toCl^(ɵ)+6Fe^(3+)+3H_2O`

Nazir Lal Barman

Asked: 3 years agoIn: General Awareness

नीचे दी गई निम्न अर्द्ध – सेल अभिक्रिया का मानक विभव `25^(@)C` पर उनके साथ दिया गया है
`Zn^(2+)+2etoZn,E^(@)=-0.762V`
`Mg^(2+)+2etoMg,E^(@)=-2.37V`
जब `MgCl_(2)` के विलयन में जिंक रज मिलायी जाये तो :
A. `ZnCl_(2)` बनता है
B. जिंक विलयन में घुल जायेगा
C. कोई अभिक्रिया नहीं होती है
D. Mg अवक्षेपित होता है

Nazir Lal Barman

Asked: 3 years agoIn: Class 11

Define theory of relativity

Nazir Lal Barman

Asked: 3 years agoIn: Class 10

Difference between cation and cathode. And anion and anode

Nazir Lal Barman

Asked: 3 years agoIn: Class 10

draw tangent to the two circles from a given point outside the circle

Nazir Lal Barman

Asked: 3 years agoIn: General Awareness

Discuss the intensity of transmitted light when a polaroid sheet is rotated between two crossed polaroids ?

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Nazir Lal Barman

Mark out the correct statement(s).
A. Total work done by internal forces on a system is always zero
B. Total work done by internal forces on a system may sometimes be zero
C. Total work done by friction can never be zero
D. Total work done by friction is always zero

What is Heat budget?

यदि `C_(r),””^(n)C_(r)` को सूचित करें तो साबित कीजिए कि
`(C_(1))/(C_(0))+2.(C_(2))/(C_(1))+3.(C_(3))/(C_(2))+…+n.(C_(n))/(C_(n-1))=(n(n+1))/(2)`

Can you give me a five points difference on stock and reserve resources?

Define theory of relativity

Difference between cation and cathode. And anion and anode

draw tangent to the two circles from a given point outside the circle

Discuss the intensity of transmitted light when a polaroid sheet is rotated between two crossed polaroids ?

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