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Q. No.Identify the correct statements from the following:
a. is used as a refrigerant ice-cream and frozen food.
b. The structure of customs12 six carbon rings and 25 five carbon rings
c. ZSM-5, a type of zeolite, is used to convent alcohol into gasoline.
d. CO is a colorless and odorless gas
1. (a) and (c) only
2. (b) and (c) only
3. (c) and (d) only
4. (a), (c) and (c) only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following oxide is amphoteric in nature?
1. SnO2
2. SiO2
3. GeO2
4. CO2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following compounds is used in cosmetic surgery?
1. Silica
2. Silicates
3. Silicones
4. Zeolites
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAluminium chloride in acidified aqueous solution forms a complex 'A'. The formula of A and hybridisation state of Al in 'A' is respectively-
1. [Al(H2O)6]3+, sp3d2
2. [Al(H2O)4]3+, sp3
3. [Al(H2O)4]3+, dsp2
4. [Al(H2O)]3+, d2sp3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following species is not stable?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe incorrect statement among the following is -
1. SnF4 is ionic in nature
2. PbF4 is covalent in nature
3. SiCl4 is easily hydrolysed
4. GeX4 (X=F, Cl, Br, I) is more stable than GeX2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Both the Boron atoms are sp2 hybridised.
2. There are two 3-centre-2-electron bonds.
3. The four terminal B-H bonds are two centre two electron bonds.
4. The four terminal Hydrogen atoms and the two Boron atoms lie in one plane.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Both diamond and graphite are used as dry lubricants.
2. Diamond and graphite have a two-dimensional network.
3. Diamond is covalent and graphite is ionic.
4. Diamond is sp³ hybridised and graphite is sp² hybridized.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is the correct statement?
1. Ga+ is more stable than ln+.
2. Al+ is more stable than ln+.
3. Ga+ is more stable than Al+.
4. Al+ is more stable than Ga+.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe chain length of silicones can be controlled by adding
1. \(CH_3SiCl_3\)
2. \(SiCl_4\)
3. \((CH_3)_2SiCl_2\)
4. \((CH_3)_3SiCl\)
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