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Indrani Sid Tripathi

Asked: 3 years agoIn: General Awareness

A 4.0 g sample contained `Fe_2O_3,Fe_3O_4`, and inert material. It was treated with an excess of aq KI solution in acidic medium, which reduced all iron to `Fe^(2+)` ions. The resulting solution was diluted to 50 mL and a 10 mL sample of it was taken the iodine liberated in the small sample was titrated with 12.0 ” mL of ” 0.5 M `Na_2S_2O_3` solution. The iodine from another 25 mL was extracted, after which the `Fe^(2+)` ions were titrated with 16 ” mL of ” 0.25 M `MnO_4^(ɵ)` ions in `H_2SO_4` solution. Calculate the mass of two oxides in the original mixture.

Indrani Sid Tripathi

Asked: 3 years agoIn: Class 11

How do i face current situation speech writing

Indrani Sid Tripathi

Asked: 3 years agoIn: General Awareness

`root(3)(1372)xxroot(3)(1458)-:root(3)(343)` का मान ज्ञात करें।
A. 18
B. 15
C. 13
D. 12

Indrani Sid Tripathi

Asked: 3 years agoIn: Class 11

Abbasi karnri chapter 2

Indrani Sid Tripathi

Asked: 3 years agoIn: Class 11

Sin q1 + sin q1+ sin q3=3 then cos q1 + cos q2 + cos q3 =

Indrani Sid Tripathi

Asked: 3 years agoIn: Class 10

ABOUT Patol Babu explain its main characters

Indrani Sid Tripathi

Asked: 3 years agoIn: General Awareness

To mercirise cotton the regent used is
A. `Na_(2)CO_(3)`
B. `NaHCO_(3)`
C. `NaOH`
D. `Ca(OH)_(2)`

Indrani Sid Tripathi

Asked: 3 years agoIn: Class 11

समाज शास्त्र प्रारंभ कब और कहां हुआ

Indrani Sid Tripathi

Asked: 3 years agoIn: General Awareness

State the principle of Fayol which suggests that communication from top to bottom should follow the official lines of command

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