The most suitable metal that can be used as lightning conductor is
The most suitable metal that can be used as lightning conductor is A. silver B. copper C. iron…
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N2(g) + 3H2(g) ↔ 2NH3(g) ΔH = -90 kJ In the equation above, the yield…
N2(g) + 3H2(g) ↔ 2NH3(g) ΔH = -90 kJ In the equation above, the yield of ammonia can…
The gas that can be dried using concentrated tetraoxosulphate (VI) acid is
The gas that can be dried using concentrated tetraoxosulphate (VI) acid is A. hydrogen bromide B. Sulphur (IV)…
When pure aluminium metal is heated to red hot in the presence of nitrogen gas,…
When pure aluminium metal is heated to red hot in the presence of nitrogen gas, the compound formed…
A dense white fume is formed when ammonia gas reacts with
A dense white fume is formed when ammonia gas reacts with A. O2(g) B. H2(g) C. Cl2(g) D.…
I. Treatment of cancer II. Detection of leakages in water mains III. Detection of the…
I. Treatment of cancerII. Detection of leakages in water mainsIII. Detection of the ages of ancient toolsIV. Preparation…
What is the valence shell electron configuration of the element with atomic number 17?
What is the valence shell electron configuration of the element with atomic number 17? A. 1s2 2s2 2p6…
The density of a certain gas is 1.98gdm-3 at s.t.p. What is the molecular mas…
The density of a certain gas is 1.98gdm-3 at s.t.p. What is the molecular mas of the gas?…
A heterogenous mixture can be defined as any mixture
A heterogenous mixture can be defined as any mixture A. of a solute nd a solvent B. whose…
The pressure of 100cm3 of oxygen at 35oC is 750mmHg. What will be the volume…
The pressure of 100cm3 of oxygen at 35oC is 750mmHg. What will be the volume of gas if…