Description : Chemical formula of single super phosphate is a. Ca(H2Po4) b. CaHPo4 c. Ca3(Po4) d. None of these
Last Answer : a. Ca(H2Po4)
Description : Chemical formula of single super phosphate is— a. Ca(H2Po4) b. CaHPo4 c. Ca3(Po4) d. None of these
Description : Triple superphosphate is chemically represented as (A) CaF2 .3Ca3 (PO4 )2 (B) 3Ca3 (PO4 )2 (C) Ca(PO3 )2 (D) Ca(H2PO4 )2
Last Answer : (A) CaF2 .3Ca3 (PO4 )2
Description : Plants absorb phosphorus in the form of (A) H2PO4 (B) PO4 (C) SSP (D) P
Last Answer : (A) H2PO4
Description : CaH4 (PO4 )2 is the chemical formula of (A) Superphosphate (B) Triple superphosphate (C) Calcium phosphate (D) Meta phosphoric acid
Last Answer : (B) Triple superphosphate
Description : (CH3 C6 H4 )3 PO4 is the chemical formula of (A) Triple superphosphate (B) Tricresyl phosphate (C) Fluorapatite (D) Superphosphate
Last Answer : (B) Tricresyl phosphate
Description : Which of the ‘complex fertilizer’? 1) Ammonium sulphate nitrate 2) Single superphosphate 3) Ammonium phosphate 4) Calcium ammonium nitrate
Last Answer : 3) Ammonium phosphate
Description : Ca3 (Po4) 2 What kind of salt and what is its name ?
Last Answer : This is calcium phosphate. It is a calcium salt of phosphate group
Description : The number of ions in 1 M aqueous s 0lution of Ca3(PO4)2 will be (a) 5 (b) 11 (c) 13 (d) 2
Last Answer : Ans:(a)
Description : The main constituent of bones is (A) CaF2 (B) Ca3(PO4)2 (C) CaCO3 (D) CaCl2
Last Answer : (B) Ca3(PO4)2
Description : For high flood estimates the average value of the constant C in Dicken's formula Q =CA3/4, is (A) 6.5 (B) 8.5 (C) 9.5 (D) 11.5
Last Answer : Answer: Option D
Description : Ryve's formula for flood estimate in cumecs, is (A) Q = CA3/4 (B) Q = CA2/3 (C) Q = CA1/2 (D) Q = CA1/4
Last Answer : Answer: Option B
Description : Which of the following is not a nitrogenous fertilizer? (1) Ammonium sulphate (2) Urea (3) Ammonium nitrate (4) Superphosphate
Last Answer : (4) Superphosphate Explanation: Superphosphate is a common synthetic phosphorus fertilizer.
Description : Toxicity of Mg can be modified by adding ________: a. N b. PO4 c. Ca d. K2O
Last Answer : Ca
Description : Which of the following phosphatic fertilizer is useful in groundnut crop ? (A) D.A.P. (B) Rock Phosphate (C) Triple Super-Phosphate (TSP) (D) Single Super Phosphate (S.S.P.)
Last Answer : (D) Single Super Phosphate (S.S.P.)
Description : Which Fertilizer is Mainly Manufactured in India? A. Ammonium PhosphateB. Single Super Phosphate C. Urea D. None
Last Answer : C. Urea
Description : What is the Formula for Pb2 and PO4?
Last Answer : Need answer
Description : The chemical formula of iron pyrites is— (A) FeSO 4 (B) FeS (C) FeS 2 (D) Fe 2 (SO 4 ) 3
Last Answer : (C) FeS 2
Description : Which fertilizer should be used if soil organic matter is low ?
Last Answer : If the soil organic matter is low then compost manure should be used.
Description : Which one should be given after giving fertilizer ?
Last Answer : Water should be given after application of fertilizer.
Description : What is fertilizer ?
Last Answer : Fertilizer is any natural or artificial ingredient that is applied to the soil or plant tissues to ensure the supply of various nutrients to the plant.
Last Answer : : The function of TSP fertilizer is: to accelerate the growth of the first stage of the plant , to participate in the division of plant cells , to help the plant to form and grow roots and to help the tree to flower and bear fruit in time.
Last Answer : Urea fertilizer promotes growth of tree stalks , stems and leaves. Urea fertilizer gives the plants a dark green color. The nitrogen in urea fertilizer is an integral part of the green leaf or chlorophyll of the leaves and helps plant proteins.
Description : The most Suited N fertilizer for tea is: (A) Urea (B) Calcium nitrate (C) Ammonium chloride (D) Ammonium sulphate
Last Answer : (D) Ammonium sulphate
Last Answer : (A) Urea
Description : Which fertilizer is most beneficial for alkali soils? (a) Urea (b) Ammonium sulphate (c) Calcium ammonium nitrate (d) Ammonium nitrate
Last Answer : (c) Calcium ammonium nitrate
Description : Match List-I with List-II and select answer from the codes given below- List-I (a) White Revolution (b) Grey Revolution (c) Blue Revolution (d) Green Revolution List-II 1. Fertilizer production 2. Fish production 3. Cereal production 4. Milk ... (A) 4 1 2 3 (B) 1 2 3 4 (C) 2 4 3 1 (D) 1 3 4 2
Last Answer : (A) 4 1 2 3
Description : The instrument, which is used for sowing of seed with fertilizer together at a time, is— (A) Seed drill (B) Dibbler (C) Seed sowing behind plough (D) Ferti-cum Seed drill
Last Answer : (D) Ferti-cum Seed drill
Description : Zinc Sulphate (ZnSO 4 ) should not be mixed with— (A) D.A.P. (B) Compost fertilizer (C) Ammonium Chloride (D) Urea
Last Answer : (A) D.A.P.
Description : Biggest Fertilizer Cooperative in India is? A. KRIBHCO B. Dayal Group C. IFFCO D. None
Last Answer : C. IFFCO
Description : What Does FYM stand For? A. Farm Yard ManureB. Farm Yeast Manure C. Fertilizer Yeast Manure D. None
Last Answer : A. Farm Yard Manure
Description : What happened when an excess amount of Nitrogen Fertilizer is Introduced in to Soil Ecosystem? A. Soil Decay B. Soil Acidi_cation C. Soil Residue D. Microbial Activity
Last Answer : D. Microbial Activity
Description : Balanced fertilizer used at the macro level in India is generally equated with a nutrient consumption ratio of? a. 4:2:1 b. 3:2:1 c. 1:2:3 d. 2:3:4
Last Answer : a. 4:2:1
Description : Sulphur content (%) in potassium sulphate fertilizer is (a) 50(b) 22 (c) 17 (d) 12
Last Answer : (b) 22
Description : Which of the following is correct for calculating PHOSPHOROUS in P2O5 fertilizer? (a) P2O5 × 0.44 = P (b) P2O5 × 2.29 = P (c) P2O5 × 0.83 = P (d) P2O5 × 1.20 = P
Last Answer : (a) P2O5 × 0.44 = P
Description : P content in DAP fertilizer is (a) 20% (b) 36% (c) 46%(d) 50%
Last Answer : (a) 20%
Description : Fertilizer dose recommended for a crop of Groundnut is N:P:K, respectively (a) 20-40: 50-60: 30-40 (b) 40-50: 50-60: 30-40 (c) 20-40 : 60-80: 30-50 (d) 40-50 : 60-80: 30-50
Last Answer : (a) 20-40: 50-60: 30-40
Description : Widely used N-fertilizer in rice is (a) Ammonium sulphate (b) Calcium sulphate (c) Urea (d) DAP
Last Answer : (a) Ammonium sulphate
Description : A zero till seed-cum-fertilizer drill is designed for sowing: a Paddy b Wheat c Potato d Vegetable
Last Answer : b pneumatic seed drill
Description : Distinguish between single and triple superphosphate with respect to raw material and uses.
Last Answer : Single and triple super phospahte w.r.t. raw material and uses
Description : What is the name of this ionic compound V(H2PO4)4?
Last Answer : This chemical formula is for vanadium dihydrogen phosphate.
Description : What is is the conjugate acid of H2PO4?
Last Answer : h2po3
Description : Chemical formula of washing soda is - (1) Na2SO4.10H2O (2) NaHCO3 (3) Na2CO3.10H2O (4) Ca(OH)2
Last Answer : (3) Na2CO3.10H2O Explanation: Washing Soda is essentially Sodium Carbonate, a sodium salt of carbonic acid (soluble in water). The molecular formula of washing soda is Na2CO3.10H2O. It is used as ... It reacts with the calcium and magnesium bonds present in the water, enabling the detergent to work.
Description : Chemical formula of washing soda is (1) Na2 SO4 .10H2O (2) NaHCO3 (3) Na2CO3 .10H2O (4) Ca(OH)2
Last Answer : Na2CO3 .10H2O
Description : Which of the following elements is most mobile in soil ? (A) Ca (B) K (C) Mg (D) N
Last Answer : (D) N
Description : Red and purple colour of maize (Zea Mays) is due to deficiency of (A) Ca (B) N (C)F (D) P
Last Answer : (D) P
Description : Milk fever in cattle is caused due to the deficiency of : (A) Ca (B) Fe (C) Vit. ‘D’ (D) N (E) None of these
Last Answer : (B) Fe
Description : Milk fever is caused due to the deficiency of— (A) P (B) Ca (C) Mg (D) K
Last Answer : (B) Ca
Description : Stomata are regulated by (a) N (b) P (c) K (d) Ca
Last Answer : (c) K
Description : Soils with high pH are generally deficient in:? a Zn and Mn b B and Fe c Cu and Mo d Ca and Mg
Last Answer : a Zn and Mn