The whole universe is made up of almost _______of Hydrogen?
The whole universe is made up of almost _______of Hydrogen?
A. 50%
B. 60%
C. 70%
D. 80%
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Geometry of the complex compounds usually depends upon __________________?
Geometry of the complex compounds usually depends upon __________________?A. type of ligands
B. types of hybridization in the elements of ligands
C. hybridization of central metal
D. All of aboveThe mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?A. 2.05 gram
B. 3.05 gram
C. 4.05 gram
D. 5.05 gramWhich one of the following acids is present in lemon juice ?
Which one of the following acids is present in lemon juice ?A. Citric acid
B. Benzoic acid
C. Tartaric acid
D. Oxalic acidWhich of the following compounds is not soluble in HNO3___?
Which of the following compounds is not soluble in HNO3___?A. CuS
B. CdS
C. PbS
D. AgClEthylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?
Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?A. primary alcohol
B. secondary alcohol
C. tertiary alcohol
D. dihydric alcoholThe earth absorb radiation in Visible range but emit radiation at the same rate in the:
The earth absorb radiation in Visible range but emit radiation at the same rate in the:A. Ultra voilet
B. Gamma rays
C. Infrared
D. All of these