Chemistry Q and A
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OQV NO – 338 What monomer units are present in Buna-N or NBR or nitrile rubber?
Chemistry Q and A
44 views • 20 hours ago
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OQV NO – 337 For the nuclear reaction (5B10 + 0n1 → X + 2He4) what is X?
Chemistry Q and A
31 views • 2 days ago
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OQV NO – 336 Calculate the value of d110 for a metal that crystallises in fcc lattice with a=4.08A0
Chemistry Q and A
49 views • 4 days ago
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OQV NO – 335 Benzene reacts first with CH3Cl and then with KMnO4 and KOH.
Chemistry Q and A
35 views • 6 days ago
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OQV NO – 334 The order of the covalent character of the NaCl MgCl2 and AlCl3.
Chemistry Q and A
38 views • 8 days ago
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OQV NO – 333 Calculate the Boyle temperature of the gas whose a=2.44 atmL2mol-2 and b=0.029 Lmol-1
Chemistry Q and A
16 views • 10 days ago
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OQV NO – 332 The product of the reaction when propyne gas is passed through a red-hot iron tube.
Chemistry Q and A
76 views • 12 days ago
1:06
OQV NO – 331 Reaction of aluminium (Al) with nitrogen (N2).
Chemistry Q and A
51 views • 2 weeks ago
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OQV NO – 330 Determine the OH- ion concentration in a solution whose pH = 3.
Chemistry Q and A
35 views • 2 weeks ago
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OQV NO – 329 What are the monomer units of Buna-S?
Chemistry Q and A
66 views • 2 weeks ago
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OQV NO – 328 What is the effective atomic number (EAN) of Fe in [Fe(CN)6]4-?
Chemistry Q and A
38 views • 2 weeks ago
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OQV NO – 327 Calculate the cell constant of the cell whose specific conductance is 0.011 ohm-1cm-1.
Chemistry Q and A
35 views • 3 weeks ago
2:03
OQV NO – 326 Reaction of Ph-NO2 first with Sn/HCl then with NaNO2/HCl and then with KI.
Chemistry Q and A
143 views • 3 weeks ago
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OQV NO – 325 The reaction between phosphorus trichloride(PCl3) and oxygen(O2).
Chemistry Q and A
69 views • 3 weeks ago
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OQV NO – 324 Axial ratio a = b = c axial angle α = β = γ = 900 crystal system.
Chemistry Q and A
47 views • 4 weeks ago
2:06
OQV NO – 323 Diazotisastion of aromatic amine at pH ≈ 1.
Chemistry Q and A
115 views • 1 month ago
1:03
OQV NO – 322 The reaction between magnesium(Mg) and nitrogen(N2).
Chemistry Q and A
76 views • 1 month ago
1:44
OQV NO – 321 What is the percentage composition of iron (Fe) in the compound Fe3O4
Chemistry Q and A
47 views • 1 month ago
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OQV NO – 320 The reagent for the transformation of butanone to butane.
Chemistry Q and A
85 views • 1 month ago
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OQV NO – 319 How many S=O bonds are present in oleum(H2S2O7)?
Chemistry Q and A
61 views • 1 month ago
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OQV NO – 318 Calculate the number of molecules in 2 grams of oxygen.
Chemistry Q and A
133 views • 1 month ago
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OQV NO – 317 The acetylene gas is passed through a red-hot iron tube at 6000C.
Chemistry Q and A
44 views • 1 month ago
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OQV NO – 316 Determination of the oxidation number of Cr in CrO5.
Chemistry Q and A
50 views • 1 month ago
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OQV NO – 315 Which is an example of a heterogeneously catalysed reaction?
Chemistry Q and A
37 views • 1 month ago
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OQV NO – 314 What are the monomer units of terylene?
Chemistry Q and A
61 views • 1 month ago
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OQV NO – 313 14Si30 15P31 16S32 Are isotopes isobars isotones or nuclear isomers?
Chemistry Q and A
50 views • 1 month ago
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OQV NO – 312 In a closed system which is or are exchanged with the surroundings?
Chemistry Q and A
21 views • 1 month ago
2:04
OQV NO – 311 What is the product of the reaction of glyoxal (OHC-CHO) with 50% NaOH and H3O+?
Chemistry Q and A
120 views • 1 month ago
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OQV NO – 310 Reaction of calcium carbide(CaC2) with nitrogen(N2).
Chemistry Q and A
81 views • 1 month ago
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OQV NO – 309 What are units of rate constant (k) for a reaction whose rate equation is rate = k[A]2.
Chemistry Q and A
49 views • 1 month ago
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