What is the fundamental unit of amount of a substance?
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At what temperature (in Fahrenheit) pure water freezes?
Product of three consecutive odd numbers is 1287. What is the largest of the three numbers?
ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel. What is the area of triangle ADC?
ΔABC is similar to ΔPQR. Length of AB is 18 cm and length of the corresponding side PQ is 12 cm. If area of ΔABC is 324 sq cm, what is the area of ΔPQR?
Friction is caused by the ______________ on the two surfaces in contact.
Which electron dot formula represents a polar molecule?
If 2 + 4x < 5 - x/2 and 3x + 3 > -5 - 3x; then x can take which of the following values?