Hint  Answer 
Which alkane has the chemical formula: C 2 H 6 ?  
What are the chemical elements: fluorine, chlorine, bromine and iodine?  
What is dy/dx when y = x sin x ?  
What 'p' is a word or phrase which reads the same backwards as forwards?  
Simplify: cosh (ln y) + sinh (ln y)  
Rhombic and monoclinic are allotropes of which chemical element?  
For any complex number z, where z = a + bi, what 'm' describes the square root of: 'a' squared plus 'b' squared?  
What are the letters: b, c, d, f, g, h, j, k, l, m, n, p, q, r, s, t, v, w, x, y and z?  
What is the last letter of the Greek alphabet?  
For a quadratic equation of the form: ax^2 + bx + c = 0, what 'd' describes: 'b' squared minus 4ac ?  
 Hint  Answer 
What is the divergence of the vector field F, where F = xyzi + xyj + xk?  
Examples are: 24 H in a D and also 7 D in a W. What are they?  
Which chemical element has the electronic configuration: 2.8.3 ?  
In statistics the class interval is one more than the 'r'. What is the 'r' ?  
In multivariable calculus what J describes a matrix which contains nine partial derivatives often relating to the variables: u, v, w, x, y and z ?  
Which chemical element has 79 as its atomic number?  
In English grammar what 's' is often used when the second part of a sentence explains the first part?  
What is the chemical formula for sodium hydroxide?  
If a person's IQ is a hundred then what single word describes it?  
Describe in three words what is needed to find the indefinite integral of: arctan x with respect to x.  

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