Calculate the volume of 0.5 mol dm-3 H2So4 that is neutralized by 25 cm3 of…
Calculate the volume of 0.5 mol dm-3 H2So4 that is neutralized by 25 cm3 of 0.1 mol dm-3…
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The acid that is used to remove rust is
The acid that is used to remove rust is A. boric B. hydrochloric C. trioxonitrate (V) D. tetraoxosulphate…
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The colour of methyl orange in alkaline medium is A. yellow B. pink C. orange D. red Correct…
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Calculate the solubility in mol dm-3 of 40g of CuSO4 dissolved in 100g of water…
Calculate the solubility in mol dm-3 of 40g of CuSO4 dissolved in 100g of water at 120oC. [Cu…
12D + 13T → 24He + 01n + energy The reaction above illustrates
12D + 13T → 24He + 01n + energy The reaction above illustrates A. alpha decay B. artificial…
A noble gas with a high power of fog penetration used in aerodrome beacons is
A noble gas with a high power of fog penetration used in aerodrome beacons is A. krpton B.…
Permanent hardness of water can be removed by
Permanent hardness of water can be removed by A. filtration B. adding slaked lime C. adding caustic soda…