Which of the following elements react with steam to produce H2 gas?
Which of the following elements react with steam to produce H2 gas?
A. Pd
B. Ni
C. Sn
D. All of the above
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Selection of filter paper depends on size of particles to be________________?A. filtered
B. dried
C. decolorized
D. decantedIn which of the following type of reactions energy of reactant is greater than energy of product________________?
In which of the following type of reactions energy of reactant is greater than energy of product________________?A. endothermic
B. exothermic
C. unpredictable
D. sameThe weakest (in strength) of the following intermolecular forces is_______________?
The weakest (in strength) of the following intermolecular forces is_______________?A. Hydrogen bonding
B. Vander Waals force
C. Forces among the polar molecules
D. Ionic bondThe organic acid that does not has COOH group is___________________?
The organic acid that does not has COOH group is___________________?A. phthalic acid
B. carbolic acid
C. Maleic acid
D. Succinic acidWhich of the following statements is true about plasma________________?
Which of the following statements is true about plasma________________?A. It may be the first state of matter
B. It is not a phase transition
C. It is a conductor of electricity
D. All of the aboveWhich compound is also known by the name of carbolic acid ?
Which compound is also known by the name of carbolic acid ?A. C2H2OH
B. H2CO3
C. C6H5OH
D. H3PO3