Related Questions

The most extensive, commercially useful source of thorium as monazite sand occurs in India at
A Orissa coast
B Travancore coast
C West Bengal coast
D Gujarat coast
Thorium Breeder Reactors are most suitable for India because
A these develop more power
B its technology is simple
C abundance of thorium deposits are available in India
D these can be easily designed
Thorium is mainly used
A For the manufacture of gas mantles
B As a fissile fuel in a nuclear reactor
C In the manufacture of hydrogen bomb
D In the treatment of cancer
Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of
A Segar cones
B Muffles for muffle furnaces
C Insulating bricks
D Crucibles used for melting of high purity metals
The main ore of thorium is
A pitchblende
B monazite
C limonite
D galena
Which State of India has the largest reserves of monazite, with a high thorium content?
A Kerala
B Karnataka
C Gujarat
D Maharashtra
Indian monazite sand contains __________ percent thorium.
A 10
B 25
C 60
D 90
A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
A 48
B 32
C 24
D 18
If 2 kg of metal, of which 1/3 is zine and the rest is copper , be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 17 : 43
B 13 : 42
C 19 : 43
D 15 : 42
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43

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