X-rays were discovered by __________?
X-rays were discovered by __________?
A. Wilhelm Conrad Roentgen
B. Thomson
C. Ernest Rutherford
D. Bacquerel
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Which element is called earth maker?
Which element is called earth maker?A. Oxygen
B. Silicon
C. Carbon
D. HydrogenFor a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?
For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?A. also decrease
B. increase
C. remains constant
D. none of these“Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that _______________?
“Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that _______________?
A. Nothing is impossible
B. Quinoline is an inhibitor
C. Quinoline is a catalyst
D. Quinoline is an activatorThe best conductor of heat among liquid is___________?
The best conductor of heat among liquid is___________?A. Water
B. Mercury
C. Ether
D. AlcoholWhich is known as ‘Lifeblood of industries’?
Which is known as ‘Lifeblood of industries’?A. Finance
B. Transport
C. logistic
D. SuppliesWho said that light is made of corpuscles/particles?
Who said that light is made of corpuscles/particles?A. Maxwell
B. Einstein
B. Newton
D. Huygein