Which of the following elements would form a covalent bond with Bromine? w) Calcium x) Aluminum y) Oxygen z) Tin Answer : ANSWER: Y -- OXYGEN...
Which of the following compounds contains both io and covalent bonds? w) Calcium Chloride x) Carbon Dioxide y) Calcium Fluoride z) Calcium Sulfate Answer : ANSWER: Z -- CALCIUM SULFATE...
Two elements which can form a large number of compounds are (1) Carbon and Hydrogen (2) Carbon and Nitrogen (3) Carbon and Oxygen (4) Carbon and Sulphur Answer : Carbon and Hydrogen...
Diamond and graphite are polymorphs of which of th following elements? w) magnesium x) carbon y) sulfur z) nitrogen Answer : ANSWER: X -- CARBON...
Dry ice is the solid form of what gas? w) nitrogen x) oxygen y) helium z) carbon dioxide Answer : ANSWER: Z -- CARBON DIOXIDE...
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