A. KCI
B. KNO3
C. K2SO4
D. KMnO4
Related Mcqs:
- Which of the following fertilizers is not useful for paddy rice ?
A. urea
B. DAP
C. Ammonium sulphate
D. Ammonium nitrate - Which one of the following fertilizers provides the nitrogen and phosphorus to the plant ?
A. urea
B. calcium superphosphate
C. diammonium phosphate
D. potassium nitrate - Which one of the following fertilizers provides the nitrogen and phosphorus to the plant ?
A. Urea
B. Calcium superphosphate
C. Diammonium phosphate
D. Potassium nitrate - The fertilizers which provide single nutrient from NPK are called ___________ fertilizer?
A. straight
B. compound
C. both a and b
D. none of the above - The potassium present in plant help the plant to___________________?
A. form starch sugar and fibrous material
B. ripen the seeds and fruits
C. increase the resistance against disease
D. all the above statements are correct - What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?
A. Paint
B. Glass
C. Gun Powder
D. CementSubmitted by: ABDUL HAYEE
- Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate ?
A. Primary alcohol
B. Secondary alcohol
C. Tertiary alcohol
D. All of above - Potassium Permanganate is used for purifying drinking water, because_________?
A. It is a sterilising agent.
B. It dissolves the impurities of water.
C. It is a reducing agent.
D. It is an oxidising agent.Submitted by: Muhammad Ali Kunbhar
- Lactic acid on oxidation by alkaline potassium permanganate gives:____________?
A. Propionic acid
B. Cinnamic acid
C. Pyruvic acid
D. Tartaric acidSubmitted by: Said wali shah
- The most useful dye for those fabric which can form hydrogen bonds is:_____________?
A. Mordent dye
B. Vat dye
C. Acid dye
D. Direct dyeSubmitted by: Said wali shah
