A. Cu
B. Cl
C. H
D. Zn
Related Mcqs:
- Requirement of macronutrient per acre of the land is_________________?
A. 5 to 200 kg
B. 20-200 kg
C. 200-400 kg
D. 30-400 kg - When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?
A. Bromine
B. Chlorine
C. Fluorine
D. Iodine - Which one of the following set of raw material is most suitable for manufacture of urea ?
A. CH4 N2 and CO2
B. H2 N2 and CO
C. H2 CO2 and H2O
D. H2O N2 and H2 - 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 of the following is incorrect statement about nitrogen importance ?
A. It enhances plant growth
B. It is involved in the synthesis of protein and nucleic acids
C. it accelerates fruits and flowers growth
D. It is involved in the chlorophyll synthesis - Which of the following is the most suitable catalyst for ammonia synthesis ?
A. Pt
B. ZnO + Cr2O3
C. Fe in fused mixture of Al2O3 + SiQ2 + MgO
D. All of the above - Which of the following fertilizers is not useful for paddy rice ?
A. urea
B. DAP
C. Ammonium sulphate
D. Ammonium nitrate - Which of the following potassium fertilizers are more useful for horticultural crops tobacco & potatoes ?
A. KCI
B. KNO3
C. K2SO4
D. KMnO4 - Which one of the following is an inorganic fertilizer ?
A. manure
B. urea
C. ammonium nitrate
D. All - Which one of the following raw material is not present in the cement ?
A. lime stone
B. gypsum
C. KNO3
D. iron oxide
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