An element wil readily form an electrovalent compound if it electron configuration is
An element wil readily form an electrovalent compound if it electron configuration is A. 2, 8, 1 B.…
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Sugar is separated from its impurities by
Sugar is separated from its impurities by A. precipitation B. crystallization C. distillation D. evaporation Correct Answer: Option…
The component of an atom that contributes least to its mass is the
The component of an atom that contributes least to its mass is the A. proton B. nucleus C.…
The shape of the hydrocarbon compound CH4 is
The shape of the hydrocarbon compound CH4 is A. square planar B. planar C. linear D. tetrahedral Correct…
Which of these properties gives a solid its definite shape?
Which of these properties gives a solid its definite shape? A. strong intermolecular attraction B. high melting point…
Natural water collected from rivers and ponds contain oxygen, carbon (IV) oxide and
Natural water collected from rivers and ponds contain oxygen, carbon (IV) oxide and A. nitrogen B. hydrogen C.…
How many moles of limestone will be required to produce 5.6g of CaO? [Ca =…
How many moles of limestone will be required to produce 5.6g of CaO? [Ca = 40, C =…
Natural water collected from rivers and ponds contain oxygen, carbon (IV) oxide and
Natural water collected from rivers and ponds contain oxygen, carbon (IV) oxide and A. nitrogen B. hydrogen C.…
Kerosine is commonly used to remove the red colour stain of palm oil from cloths…
Kerosine is commonly used to remove the red colour stain of palm oil from cloths because it A.…
The gas that is the most dangerous pollutant to human is
The gas that is the most dangerous pollutant to human is A. sulphur (IV) oxide B. carbon (IV)…