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When an acid reacts with a metal carbonate, salt, water, and carbon dioxide are produced. • Example: Hydrochloric acid on reaction with sodium carbonate forms sodium chloride, carbon dioxide and water. 2HCl+Na2CO3 → 2NaCl+CO2+H2O Sulfuric acid + Ferrous carbonate → Ferrous sulfate + water + carbon dioxide ■H2SO4 + FeCO3 --> FeSO4 + H2O + CO2 • The salt that forms will depend on the specific acid and metal carbonate which were used in the reaction.
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...
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Which of the following is a prime number?
The remainder obtained when (47³ + 35³) is divided by 41 is
