What type of reaction is involved when wood shavings produce a brown gas with concentrated HNO3? Posted on:
The gas evolved when dilute tetraoxosulphate (VI) acid reacts with sodium hydrogen trioxocarbonate (IV) is Posted on:
Which of the following gases is colourless, odourless and soluble in potassium hydroxide solution? Posted on:
9.60 g of a gas X occupies the same volume at 0.30 g of hydrogen under the same conditions. Calculate the molar mass of X H = 1 Posted on:
An element Z has a combining power of 3. Which of the following formulae is correct of its compounds? Posted on:
