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Official Class XII Preparation

(212 Posts)

This thread is dedicated to preparation for Class XII exams. You may share questions from any of the subjects like Mathematics, Science and Business Studies.

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
Question should be at least 10 characters long.
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Pankaj Pandey
Posted on 16 Aug, 2019 10:35 AM
Show common data

5

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Shreyansh Sisodia
Posted on 04 Jul, 2019 9:44 PM

What's about physics of class 12th

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Papiya Das
Shared from The Harappan Civilization - I on 02 Jun, 2019 11:03 PM

Which of the following statements is/are incorrect?

a. The citadel of Lothal was built at a height and was fortified with baked or sunbaked bricks.
b. The houses at Lothal were built of mud bricks, drains were made of burnt bricks.
c. The number of wells in Lothal was about 700.

 
a, b and c
b and c
a and c
a and b
only b
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Wrong answer is mentioned

Ankit Sarkar
Shared from p-Block Elements - 1 on 06 Jan, 2019 11:50 AM

The toxic element of Boron family is

 
B
In
Tl
Ga
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Q

Balaji Vanapalli
Shared from Electrochemistry - II (Class XII) on 30 Nov, 2018 9:16 PM

On the basis of the information available from the reaction: 4Al + 3O2 2Al2O3; G = - 827 kJ mole-1 of O2, the minimum emf required to carry out electrolysis of Al2O3 is (1 F = 96500 C)

 
2.14 V
4.28 V
6.42 V
8.56 V
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Why 3/2 is taken