Question
What two acids are mixed to prepare Aqua Regia, used by
goldsmiths?Solution
Aqua Regia, a potent mixture used to dissolve gold, is composed of Nitric Acid and Hydrochloric Acid. This combination creates a highly corrosive solution capable of dissolving gold and platinum, which are otherwise resistant to most chemical attacks.
- The least common multiple (LCM) of two numbers is 144, and the numbers are in the ratio 4:6. Find their sum.
If the highest common factor of two numbers is 15, then which of the following may be the least common multiple of the numbers?
- Determine the difference between the LCM and HCF of the numbers 15, 25, and 50.
What is the least number that should be multiplied to 735 so that it becomes divisible by 42?
The HCF of two numbers is 18. Which of the following can never be their LCM?
From a point on a circular track 10 km long A, B and C started running in the same direction at the same time with speeds of 3(1/3) km/h, 5 km/h and 2 k...
The LCM of two numbers is 1991 and their HCF is 23. If one of the numbers is 181, the other number is
Two numbers are in the ratio 3:7. The product of their H.C.F. and L.C.M. is 2541. The sum of the numbers is:
The ratio of two number is 6 : 5 and their HCF is 15. So find and their LCM?
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