Mixture of potassium nitrate, sulphur and charcoal used as an explosive.

Describe the following statement- An explosive is made up of Potassium nitrate, sulphur and charcoal.

Fill in the blanks- ____________ is the mixture of Aluminium powder and ammonium nitrate and is used as an explosive.

Potassium nitrate has pH value equl to…………… .

_____________ is a mixture of calcium cyanamide and graphite which is used as fertilizer.

Pragya tested the solubility of three different substances at different temperatures and collected the data as given below (results are given in the following table, as grams of substance dissolved in 100 grams of water to form a saturated solution). What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate in 50 grams of water at 313 K ?

_______________ is a mixture of solution of copper sulphate and lime which is used as fungicide.

Answer the following question in one word- A mixture of solution of copper sulphate and quick lime is used in the vineyards to kill fungus and moulds. What is the name of that mixture ?

Describe the following statement in brief- A mixture of zinc sulphide and barium sulphate is used in inks and face powder.