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What are Eka-aluminium and Eka-silicon known as?
O2– and CN–
CN– and NO+
CN– and CN+
NO+ and CN+
Due to which property of helium, it is used in balloons in place of hydrogen gas?
More abundant than hydrogen
Lighter than hydrogen
What is the unit of luminous intensity?
On which of the following, the time taken for complete evaporation doesn't depend on?
What is the colour of orthoboric acid?
What does metamerism belong to?
∆ G > 0
∆ H < 0
∆ S > 0
∆ S < 0
Which of the following are some characteristics of system at equilibrium ?
Which of the following are aromatic compounds?
Incomplete combustion of which of the following yields carbon monoxide?
HNO3, Fe2+, F2
I-, Na, Fe2+
Cr2O72-, CrO42-, Na
Non benzenoid compounds fall under which of these classifications?
What is gammaxane known as?
Maturation of which of the following does lead interfere with?
Excess of KI reacts with CuSO4 solution and Na2S2O3 solution is added to it. Which of the statement is false for the reaction ?
Evolved I2 is reduced
CuI2 is formed
Na2S2O3 is oxidised
Cu2I2 is formed