Water contains (A) One hydrogen atom and one oxygen atom (B) Two hydrogen atoms and one oxygen atom (C) One hydrogen atom and two oxygen atoms D) Three hydrogen atoms and two oxygen atoms

Water contains
(A) One hydrogen atom and one oxygen atom
(B) Two hydrogen atoms and one oxygen atom
(C) One hydrogen atom and two oxygen atoms
D) Three hydrogen atoms and two oxygen atoms
by

1 Answer

Answer :

Answer: Option B
by

Related questions

Two hydrogen-like atoms `A` and `B` are of different masses and each atom contains equal numbers of protons and neutrons. The difference in the energi

Description : Two hydrogen-like atoms `A` and `B` are of different masses and each atom contains equal numbers of protons and neutrons. The difference in the energi

Last Answer : Two hydrogen-like atoms `A` and `B` are of different masses and each atom contains equal numbers of ... A` imparts. Identify the atom `A and B`.

Heavy water is so called because it contains - (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms

Description : Heavy water is so called because it contains - (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms

Last Answer : (1) Heavy isotope of hydrogen Explanation: Heavy water, formally called deuterium oxide, is a form of "water that contains a larger than normal amount of the hydrogen isotope deuterium, (also known as ... ) rather than the common hydrogen-1 isotope that makes up most of the hydrogen in normal water.

Heavy water is so called because it contains (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms

Description : Heavy water is so called because it contains (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms

Last Answer : Heavy isotope of hydrogen

Hydrogen bonds are formed when a hydrogen atom is shared between two ____. a. molecules c. elements b. atoms d. neutrons

Description : Hydrogen bonds are formed when a hydrogen atom is shared between two ____. a. molecules c. elements b. atoms d. neutrons

Last Answer : a. molecules

A hydrogen atom moving at speed `v` collides with another hydrogen atom kept at rest .Find the minimum value of `v` for which one of the atoms may get

Description : A hydrogen atom moving at speed `v` collides with another hydrogen atom kept at rest .Find the minimum value of `v` for which one of the atoms may get

Last Answer : A hydrogen atom moving at speed `v` collides with another hydrogen atom kept at rest .Find the minimum value ... hydrogen atom `= 1.67 xx 10^(-27)kg`

What is 1 nitrogen atom with 3 hydrogen atoms?

Description : What is 1 nitrogen atom with 3 hydrogen atoms?

Last Answer : NH3 is ammonia or azane, a gas that is highly soluble in water (creating NH4OH an alkali).

how many hydrogen atoms can be bonded to one carbon atom?

Description : how many hydrogen atoms can be bonded to one carbon atom?

Last Answer : 4

Apart from tetrahedral geometry another possible geometry for CH4 is square planar with four hydrogen atoms at the corners of the square and the carbon atom at the centre.Explain why CH4 is not square planar?

Description : Apart from tetrahedral geometry another possible geometry for CH4 is square planar with four hydrogen atoms at the corners of the square and the carbon atom at the centre.Explain why CH4 is not square planar?

Last Answer : Ans For square planar arrangement hybridization is dsp2 which is not possible with Carbon as it does not have d orbital with it

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent. (A) Deuterium (B) Hydrogen (C) Neon (D) Helium

Description : All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent. (A) Deuterium (B) Hydrogen (C) Neon (D) Helium

Last Answer : (B) Hydrogen

Each myoglobin molecule contains (A) One iron atom (B) Two iron atoms (C) Four iron atoms (D) Six iron atoms

Description : Each myoglobin molecule contains (A) One iron atom (B) Two iron atoms (C) Four iron atoms (D) Six iron atoms

Last Answer : Answer : A

Each haemoglobin molecule contains (A) One iron atom (B) Two iron atoms (C) Four iron atoms (D) Six iron atoms

Description : Each haemoglobin molecule contains (A) One iron atom (B) Two iron atoms (C) Four iron atoms (D) Six iron atoms

Last Answer : Answer : C

In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are

Description : In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are

Last Answer : In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are A. ... (pi)-p_(pi)` and one `p_(pi)-p_(pi)`

What The double bond between carbon atom and two oxygen atoms has two characteristics what are they?

Description : What The double bond between carbon atom and two oxygen atoms has two characteristics what are they?

Last Answer : Four valence electrons are shared.Valence electrons are shared between oxygen atoms.

What is the chemical formula for one carbon atom for every two oxygen atoms?

Description : What is the chemical formula for one carbon atom for every two oxygen atoms?

Last Answer : This molecule is carbon dioxide - CO2.

What formula would 2 nitrogen atoms 1 oxygen atom and amp 2 carbon atoms make up?

Description : What formula would 2 nitrogen atoms 1 oxygen atom and amp 2 carbon atoms make up?

Last Answer : The formula would thus be C2N2O.

Carbon dioxide is formed when to oxygen atoms chemically combined with a carbon atom which term best describes carbon dioxide?

Description : Carbon dioxide is formed when to oxygen atoms chemically combined with a carbon atom which term best describes carbon dioxide?

Last Answer : Ggg

In the water molecule are electrons are equally shared by hydrogen atoms and oxygen atoms?

Description : In the water molecule are electrons are equally shared by hydrogen atoms and oxygen atoms?

Last Answer : What is the answer ?

What kind of bond is formed when the attraction between the hydrogen atom in one water molecule and the oxygen molecule in another?

Description : What kind of bond is formed when the attraction between the hydrogen atom in one water molecule and the oxygen molecule in another?

Last Answer : Feel Free to Answer

The high boiling points of alcohols, as compared to the corresponding alkanes, are due to (a) Hydrogen bonding (b) Heavy oxygen atom (c) Water solubility(d) None of these

Description : The high boiling points of alcohols, as compared to the corresponding alkanes, are due to (a) Hydrogen bonding (b) Heavy oxygen atom (c) Water solubility (d) None of these

Last Answer : Hydrogen bonding

If oxygen which has an electronegativity of 3.5 bonds with hydrogen which has an electronegativity of 2.1 the bond between the two atoms will be classified as a polar what bond?

Description : If oxygen which has an electronegativity of 3.5 bonds with hydrogen which has an electronegativity of 2.1 the bond between the two atoms will be classified as a polar what bond?

Last Answer : Need answer

Alpha particle is the nucleus of an atom of – (1) Lithium (2) Hydrogen (3) Helium (4) Oxygen

Description : Alpha particle is the nucleus of an atom of – (1) Lithium (2) Hydrogen (3) Helium (4) Oxygen

Last Answer : (3) Helium Explanation: Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium nucleus, which is generally produced in the process of alpha decay.

Which of the following statements describes the first step in the mechanism of the aldol condensation? (a) An alpha hydrogen is abstracted by the base to form an enolate anion. (b) A nucleophilic base attacks the carbonyl carbon atom. (c) The carbonyl oxygen is protonated by the base ion. (d) The alpha hydrogen is abstracted by an acid to the enolate anion.

Description : Which of the following statements describes the first step in the mechanism of the aldol condensation? (a) An alpha hydrogen is abstracted by the base to form an enolate anion. (b) A nucleophilic base attacks ... by the base ion. (d) The alpha hydrogen is abstracted by an acid to the enolate anion.

Last Answer : An alpha hydrogen is abstracted by the base to form an enolate anion

Alpha particle is the nucleus of an atom of (1) Lithium (2) Hydrogen (3) Helium (4) Oxygen

Description : Alpha particle is the nucleus of an atom of (1) Lithium (2) Hydrogen (3) Helium (4) Oxygen

Last Answer : Helium

What data does a sample of pure water irrespective of its source contains 11.1 hydrogen and 88.9 oxygen support?

Description : What data does a sample of pure water irrespective of its source contains 11.1 hydrogen and 88.9 oxygen support?

Last Answer : It might have supported Proust's law or the law of definitecomposition, or law of constant composition. But unfortunately thedata used are not accurate. The correct proportions, based onrelative atomic masses of hydrogen and oxygen being 1.008 and15.999 give the results as 11.2% and 88.8%.

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Description : If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Last Answer : ANS: A

If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Description : If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Last Answer : ANS: B

If the flame of a miner’s safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Description : If the flame of a miner’s safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Last Answer : ANS: C

Which of the following statements are correct concerning delocalized electrons? (a) Electrons do not belong to a single atom. (b) Electrons are not confined to a bond between two atoms (c) Electrons are shared by three or more atoms.(d) (a), (b) and (c)

Description : Which of the following statements are correct concerning delocalized electrons? (a) Electrons do not belong to a single atom. (b) Electrons are not confined to a bond between two atoms (c) Electrons are shared by three or more atoms. (d) (a), (b) and (c)

Last Answer : (d) (a), (b) and (c)

What is the number of hydrogen atoms in an alken with three carbon atoms ?

Description : What is the number of hydrogen atoms in an alken with three carbon atoms ?

Last Answer : Answer : The most common sign of an alkene is CnH2n + 2, where ' n' is the number of carbon atoms. Therefore the number of H– atoms in an alken with 3 carbon atoms = ( 2.3 + 2) = 8 .

In mitochondrial matrix complete oxidation of pyruvate takes place in which all the hydrogen atoms are removed, leaving three molecules of `CO_(2)`

Description : In mitochondrial matrix complete oxidation of pyruvate takes place in which all the hydrogen atoms are removed, leaving three molecules of `CO_(2)`

Last Answer : In mitochondrial matrix complete oxidation of pyruvate takes place in which all the hydrogen atoms are removed, leaving three molecules of `CO_(2)`

In mitochondrial matrix complete oxidation of pyruvate takes place in which all the hydrogen atoms are removed, leaving three molecules of `CO_(2)`

Description : In mitochondrial matrix complete oxidation of pyruvate takes place in which all the hydrogen atoms are removed, leaving three molecules of `CO_(2)`

Last Answer : In mitochondrial matrix complete oxidation of pyruvate takes place in which all the hydrogen atoms are removed, leaving three molecules of `CO_(2)`

There are three alcohols x, y, z which have 2, 1 and 0 alpha hydrogen atoms(s) respectively. Which does not give Lucas Test immediately

Description : There are three alcohols x, y, z which have 2, 1 and 0 alpha hydrogen atoms(s) respectively. Which does not give Lucas Test immediately

Last Answer : There are three alcohols x, y, z which have 2, 1 and 0 alpha hydrogen atoms(s) respectively. Which does ... y C. z D. all the three do not give test

Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Description : Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Last Answer : there is delocalization of electrons

Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Description : Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Last Answer : there is delocalization of electrons

Number of neutrons in an atom of hydrogen is - (1) One (2) Zero (3) Two (4) Three

Description : Number of neutrons in an atom of hydrogen is - (1) One (2) Zero (3) Two (4) Three

Last Answer : (2) Zero Explanation: Neutrons are the particles in an atom that have a neutral charge. So, if an atom has equal numbers of electrons and protons, the charges cancel each other out and the atom has a ... charge. Hydrogen (H) has 1 proton and 1 electron; it does not have any neutron in its nucleus.

Number of neutrons in an atom of hydrogen is (1) One (2) Zero (3) Two (4) Three

Description : Number of neutrons in an atom of hydrogen is (1) One (2) Zero (3) Two (4) Three

Last Answer : Zero

Which of the following species contains three bond pairs and one lone pair around the central atom? (1) PCl3 (2) H2O (3) BF3 (4) NH2

Description : Which of the following species contains three bond pairs and one lone pair around the central atom? (1) PCl3 (2) H2O (3) BF3 (4) NH2

Last Answer : PCl3

In an oxygen molecule, two atoms are united by - (1) one bond (2) two bonds (3) three bonds (4) four bonds

Description : In an oxygen molecule, two atoms are united by - (1) one bond (2) two bonds (3) three bonds (4) four bonds

Last Answer : (2) two bonds Explanation: Two oxygen atoms can both achieve stable structures by sharing two pairs of electrons as in the diagram. Two electrons of each of the atom in the oxygen molecule ... is shown conventionally by two lines joining the atoms. Each line represents one pair of shared electrons.

In an oxygen molecule, two atoms are united by (1) one bond (2) two bonds (3) three bonds (4) four bonds

Description : In an oxygen molecule, two atoms are united by (1) one bond (2) two bonds (3) three bonds (4) four bonds

Last Answer :  two bonds

Plastics are compounds of carbon with element (A) Hydrogen (B) Nitrogen (C) Oxygen (D) All of thes

Description : Plastics are compounds of carbon with element (A) Hydrogen (B) Nitrogen (C) Oxygen (D) All of thes

Last Answer : Answer: Option D

In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for oxidation: I. Ferrous oxide to ferric oxide II.

Description : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for oxidation: I. Ferrous oxide to ferric oxide II.

Last Answer : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for ... and IV only D. II, III and IV only

Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason :- One N atom is present in the ammonium ion while the ot

Description : Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason :- One N atom is present in the ammonium ion while the ot

Last Answer : Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason : ... is False. D. If both Assertion & Reason are False.

If two atoms are bonded to a central atom with no ione pairs how will they be arranged?

Description : If two atoms are bonded to a central atom with no ione pairs how will they be arranged?

Last Answer : Need answer

For de novo synthesis of purine nucleotides, glycine provides (A) One nitrogen atom (B) One nitrogen and one carbon atom (C) Two carbon atoms (D) One nitrogen and two carbon atoms

Description : For de novo synthesis of purine nucleotides, glycine provides (A) One nitrogen atom (B) One nitrogen and one carbon atom (C) Two carbon atoms (D) One nitrogen and two carbon atoms

Last Answer : Answer : D

During each cycle of β-oxidation (A) One carbon atom is removed from the carboxyl end of the fatty acid (B) One carbon atom is removed from the methyl end of the fatty acid (C) Two carbon atoms are removed from the carboxyl end of the fatty acid (D) Two carbon atoms are removed from the methyl end of the fatty acid

Description : During each cycle of β-oxidation (A) One carbon atom is removed from the carboxyl end of the fatty acid (B) One carbon atom is removed from the methyl end of the fatty acid (C) Two carbon atoms ... carboxyl end of the fatty acid (D) Two carbon atoms are removed from the methyl end of the fatty acid

Last Answer : Answer : C

(1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one being bodycentered cubic wherein each metal atom is surrounded by eight equivalent atoms. The other main motif is face-centered cubic where the metal atoms are surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Description : (1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one ... surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Last Answer : Helium gas is filled in ballons because (1) its atomic number is 2 (2) it is lighter than air (3) it is one of the constitutents of water (4) it is a noble gas

What is the radius of an imaginary shell around an atom which determines how close two nonbonded atoms may approach each other called?

Description : What is the radius of an imaginary shell around an atom which determines how close two nonbonded atoms may approach each other called?

Last Answer : ANSWER: VAN DER WAALS RADIUS 

Find the number of atoms in 0.5 mole of C atom. -Chemistry 9th

Description : Find the number of atoms in 0.5 mole of C atom. -Chemistry 9th

Last Answer : 0.5 mole of C=6.022×10*23 no. of atoms = 6.022×10*23/2 =3.011×10*23 hope this helps u

Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_

Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_

Last Answer : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in ` ... D. Statement-I is not correct and Statement-II is correct

What is an atom that has the same number of protons as other atoms of the same element but different number of nutrons?

Description : What is an atom that has the same number of protons as other atoms of the same element but different number of nutrons?

Last Answer : Feel Free to Answer