Bissoy.com
Login
Doctors
Medicines
MCQs
Q&A
Ask
Merit Test
Questions
Courses
Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.?
50-80
250-400
1000-1200
800-900
LohaHridoy
0
Edit
4
views
2025-01-04 04:42
1
Answers
AhmedNazir
Answer: Option 2
0
Thanks
4
views
Answered
2022-09-01 13:21
Report
Edit
Call
Related Questions
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : The State Government has abolished the scheme of providing concessional air ticket to students. Assumptions : I. Students will not travel by air in future. II. The students who resort to travel by air can bear the expenses of air ticket.?
1 Answers
5
Views
Heating of a ore below its melting point in the absence of air is known as?
1 Answers
4
Views
An alloy used in making heating elements for electric heating device is?
1 Answers
4
Views
Red phosphorous is changed into white phosphorous by?
1 Answers
4
Views
Both white phosphorous as well as red phosphorous?
1 Answers
4
Views
Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent.?
1 Answers
4
Views
In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating?
1 Answers
5
Views
In resistance heating highest working temperature is obtained from heating elements made of?
1 Answers
6
Views
In an electric room heat convector the method of heating used is Resistance heating?
1 Answers
5
Views
In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from T₁ to T₂ at a constant pressure.?
1 Answers
6
Views
কোরআন
হাদিস
চাকুরি প্রস্তুতি
বিশ্ববিদ্যালয় ভর্তি
মেডিকেল SBA
12
এইচএসসি
10
এসএসসি
8
জেএসসি
এক্সাম দিয়ে মেধা যাচাই করুন
Job Preparation (1125)
Admission (754)
এসএসসি (10)
এইচএসসি (5)
Login Required
You need to log in to continue.
Login
Cancel
Download Required
You need to download the app to make a call.
Download
Cancel