Question
Complete and balance the following equations
Complete and balance the following equations: (a) (b)
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A gas cylinder can hold 150 g of hydrogen under certain conditions
A gas cylinder can hold 150 g of hydrogen under certain conditions of temperature and pressure. If an identical cylinder with the…
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Give one significant observation when
Give one significant observation when: (a) Barium chloride solution is added to zinc sulphate solution. (b) Lead nitrate is heated strongly. (c)…
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Reaction between concentrated sulphuric acid and magnesium
The reaction between concentrated sulphuric acid and magnesium can be represented by the equation given below: Mg + 2H2SO4 ⟶ MgSO4 +…
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Justify the following statements
Justify the following statements: (a) Anode is known as the oxidizing electrode. (b) Graphite electrodes are preferred in the electrolysis of molten…
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The atomic number of two atoms ‘X’ and ‘Y’ are 14 and 8 respectively
The atomic number of two atoms ‘X’ and ‘Y’ are 14 and 8 respectively. State: (a) the period to which ‘X’ belongs.…
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Structural diagrams and IUPAC names of organic compounds
(a) Draw the structural diagram for the following organic compounds: 1. 2-methyl propene 2. butanal (b) Give IUPAC name for the following…
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Match the Column A with Column B
Match the Column A with Column B: Column A Column B (a) N2 + 3H2 ⇌ 2NH3 1. Vanadium Pentoxide (b) 4NH3…
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Complete the following sentences by choosing the correct word(s) from the brackets
Complete the following sentences by choosing the correct word(s) from the brackets: (a) …………… solution forms a coloured precipitate with ammonium hydroxide…
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State the terms for the following
State the terms for the following: (a) Undistilled alcohol containing a large amount of methanol. (b) A salt formed by the partial…