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Number of letters in ‘CHESTNUT’ = 8 Number of vowels = (E, U) = 2! Number of consonants = (C, H, S, T, N, T) = 6!/2! Now, consider the number of vowels together as one and vowels can be arranged = 2! So total number of ways = (7!/2!) × 2! = 5040
The product of the equivalent weight and valency of an element equals its ______.
Anemometer is used to measure –
The common name of hydrogen peroxide is:
Heat stored in water vapour is –
What happens to a liquid, when the vapour pressure equals the atmospheric pressure?
The process of converting a solid directly into its vapor is called:
Water from soil enters into the root hairs owing to :
Which of the following is the hardest mineral?
Statement I: Glass is not considered as a true compound. Statement II: Glass does not have a definite melting point.
Codes:
Which gas is evolved during the reaction of an acid with a metal?
