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Butyric acid is not used to form a soap. • Soaps are the metallic salts of fatty acids and Sodium (Na) & Potassium (K) are the commonly used salts. • RCOO- Na+ or RCOO- K+ is the general formula of soaps where R is the alkyl group of the parent fatty acid. • Palmitic acid, Stearic acid, Oleic acid, Lauric acid, and Myristic acid are used to prepare soaps. • The metallic ion is the hydrophilic (water-loving) part and the organic chain is the lipophilic (oil/fat- loving) part.
What least number must be added to 6834 to get a number exactly divisible by 18?
If the square root of 1024 is added to 30% of a number we get 4 less than 2/5th of the number. What is 3/8th of the number?
...Divisor is 7 times of Quotient and 3 times of its remainder. If the remainder is 7. Find the dividend?
The digits of a two-digit number ‘N’ are reversed to form a new number ‘M’. If M < N and N – M = 27, then which of the following maybe ‘N’...
Find the third proportion of 28 and 14.
The following dataset represents the examination scores achieved by 10 students:
36, 91, 80, 77, 64, 80, 45, 56, 41, 96
Find the median of...
When 1062, 1134 and 1182 are divided by the greatest number x, the remainder in each case is y. What is the value of (x – y) ?
Which of the following is a prime number?
The remainder obtained when (47³ + 35³) is divided by 41 is
