Question
Give the IUPAC names of the organic compounds represented by the structural formulae given below
(a) Give the IUPAC names of the organic compounds represented by the structural formulae given below: (b) Draw the structural diagram for…
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Question
State the terms for the following
State the terms for the following: (a) The group obtained by removing one hydrogen atom from the parent alkane. (b) Two metal…
Question
Complete the following sentences by choosing the correct answer from the brackets
Complete the following sentences by choosing the correct answer from the brackets: (a) The salt that can be prepared by Direct Combination…
Question
Match the Column A with Column B
Match the Column A with Column B: Column A Column B (a) Water 1. Lithium (b) Alkali metal 2. Iodine (c) Halogen…
Question
The following sketch represents the electroplating of an Iron cup with Nickel metal
The following sketch represents the electroplating of an Iron cup with Nickel metal. Study the diagram and answer the following questions: (a)…
Question
A mineral from which a metal can be extracted economically is called
A mineral from which a metal can be extracted economically is called: (a) Matrix (b) Ore (c) Flux (d) Alloy
Question
In a water molecule, the oxygen atom has
In a water molecule, the oxygen atom has: (a) One shared pair of electrons (b) Three shared pairs of electrons (c) Two…
Question
Which of the following occupies 22.4 L at STP? (1) 32 g of O₂ (2) 2 mol of H₂ (3) 6.022 × 10²³ molecules of NH₃
Which of the following occupies 22.4 L at STP? (1) 32 g of O₂ (2) 2 mol of H₂ (3) 6.022 ×…
Question
Ammonia is collected by downward displacement of air because it is
Ammonia gas is collected by downward displacement of air since ammonia is: (a) Very slightly soluble in water (b) Heavier than air…
Question
The rotten-egg smell is due to
Rotten egg smell is due to the liberation of: (a) HCl gas (b) H₂S gas (c) Cl₂ gas (d) SO₂ gas