the number of atoms in one mole of a substance is equal to?
the number of atoms in one mole of a substance is equal to? A. the atomic number B.…
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Which of the following statements is NOT true of electrovalent compounds?
Which of the following statements is NOT true of electrovalent compounds? A. They are solids B. They do…
Sodium and potassium belong to the same group of the Periodic Table. This is because?
Sodium and potassium belong to the same group of the Periodic Table. This is because? A. both are…
Oxidation is the process of?
Oxidation is the process of? A. gain of electrons B. loss of electrons C. gain of hydrogen D.…
For iron to rust, there should be present?
For iron to rust, there should be present? A. oxygen B. moisture C. carbondioxide D. oxygen and moisture…
The mass number of an atom is?
The mass number of an atom is? A. the number of electrons in the atom B. the number…
The oxidation number of manganese in KMnO4 is?
The oxidation number of manganese in KMnO4 is? A. +1 B. +3 C. +5 D. +7 E. +2…
Methane is member of the homologous series called?
Methane is member of the homologous series called? A. alkenes B. alcohols C. esters D. alkanes E. alkynes…
When a bottle of Coca-Cola is opened, bubbles of evolve. The gas is?
When a bottle of Coca-Cola is opened, bubbles of evolve. The gas is? A. hydrogen B. carbon monoxide…
When glowing splint is inserted into the mouth of a jar containing a gas, the…
When glowing splint is inserted into the mouth of a jar containing a gas, the splint is extinguished.…