Which of the following is used as fuel in miners’ lamp?
Which of the following is used as fuel in miners’ lamp? A. Ethanal B. Ethyne C. Ethene D.…
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The residual solids from the fractional distillation of petroleum are used as
The residual solids from the fractional distillation of petroleum are used as A. coatings of pipes B. raw…
Stainless steel is used for making
Stainless steel is used for making A. magnets B. tools C. coins and medals D. moving parts of…
When iron is exposed to moist air, it gradually rusts. This is due to the…
When iron is exposed to moist air, it gradually rusts. This is due to the formation of A.…
A compound gives an orange-red colour to non-luminous flame. This compound is likely to contain
A compound gives an orange-red colour to non-luminous flame. This compound is likely to contain A. Na+ B.…
Which of the following is used in rocket fuels?
Which of the following is used in rocket fuels? A. HNO3 B. CH3COOH C. H2SO4 D. HCl Correct…
A constituent common to bronze and solder is
A constituent common to bronze and solder is A. lead B. silver C. copper D. tin Correct Answer:…
To a solution of an unknown compound, a little dilute tetraoxosulphate (VI) acid was added…
To a solution of an unknown compound, a little dilute tetraoxosulphate (VI) acid was added with some freshly…
2H2(g) + O2(g) → 2H2O(g) ΔH = -ve what happens to the equilibrium constant of…
2H2(g) + O2(g) → 2H2O(g) ΔH = -ve what happens to the equilibrium constant of the reaction above…
The graph above demonstrate the effect of
The graph above demonstrate the effect of A. surface area on the rate of reaction B. catalyst on…