Questions in Chemistry

boiling point of ethanol is higher in comparison to methoxymethane

Questioned by administrator @ 01/09/2021 in Chemistry viewed by 35 persons

Which of the statements regarding alcohols and ethers are true? 1-Propanol is more likely to be a liquid at 50 °C50 °C than is methoxyethane (ethyl methyl ether). Methoxyethane (ethyl …

View 1 answer

what unknown quantity can be calculated after performing a titration

Questioned by administrator @ 01/09/2021 in Chemistry viewed by 13 persons

What unknown quantity can be calculated after performing a titration? a. volume c. mass b. concentration d. density

View 1 answer

what is the mass percent of oxygen in sodium bicarbonate

Questioned by administrator @ 01/09/2021 in Chemistry viewed by 14 persons

What is the mass percent of oxygen in sodium bicarbonate (NaHCO3)?

View 1 answer

write the full form of cng and lpg

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 16 persons

What are full form of lpg and cNG and write their uses

View 1 answer

one mole of an ideal gas at 300k

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 13 persons

one mole of an ideal gas at 300 k is expanded isothermally from an initial volume of 1 litre to 10 litres. the Î´e for this process is (r = …

View 1 answer

for any substance why does the temperature remain

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 16 persons

For any substance , why does the temperature remain constant during the change of state ?

View 1 answer

calculate the percentage of nitrogen in ammonium nitrate

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 12 persons

Calculate the percentage of nitrogen in ammonium nitrate (NH4 NO3) (N=14,H=1,O=16)

View 1 answer

at higher altitudes the boiling point of liquids

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 13 persons

at higher altitudes: (a) boiling point of liquid decreases. (b) boiling point of liquid increases. (c) no change in boiling point. (d) melting point of. solid increases.

View 1 answer

why we need to balance a chemical equation

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 15 persons

Why do we balance a chemical equation

View 1 answer

name an element which does not contain neutron

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 12 persons

Name one element that does not contain neutron

View 1 answer

degree of dissociation of 0.1 n ch3cooh is

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 13 persons

Order of dissociation of 0.1N CH3COOH is (dissociation constant =1 into 10 -5

View 1 answer

the discovery of neutron becomes very late because

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 14 persons

The discovery of neutron became very late because A) it is present in nucleus B) it is a fundamental particle C) it does not move D) it does not carry …

View 1 answer

118 elements and their symbols and latin names

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 13 persons

Name Of all 118 elements with their Latin name and symbol Latin name compulsary

View 1 answer

what is nlx method how is it useful

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 13 persons

What is nlx method?how is it useful?

View 1 answer

difference between electron gain enthalpy and electron affinity

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 15 persons

What is the difference between electron gain enthalpy and electron affinity

View 1 answer

in a saturated air water vapour mixture the

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 10 persons

In a saturated air-water vapour mixture, the dry bulb temperature is higher than the wet bulb temperature dew point temperature is lower than the wet bulb temperature dry bulb, wet …

View 1 answer

sub shell electronic configuration of first 30 elements

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 8 persons

Write the subshell electronic configuration of 1st 30 elements

View 1 answer

accurate determination of water content is made by

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 9 persons

Accurate determination of water content is made by

View 1 answer

methyl phenyl ether can be obtained by reacting

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 6 persons

Methylphenyl ether can be obtained by reacting (a) phenolate ions and methyl iodide (b) methoxide ions and bromobenzene (c) methanol and phenol (d) bromo benzene and methyl bromide

View 1 answer

calcination is used in metallurgy for removal of

Questioned by administrator @ 31/08/2021 in Chemistry viewed by 4 persons

Calcination is used in metallurgy for removal of? (a) Water and sulphide (b) Water and CO₂ (c) CO₂ and H₂S (d) H₂OandH₂S

View 1 answer

Previous Page Next Page

Questions in Chemistry

boiling point of ethanol is higher in comparison to methoxymethane

what unknown quantity can be calculated after performing a titration

what is the mass percent of oxygen in sodium bicarbonate

write the full form of cng and lpg

one mole of an ideal gas at 300k

for any substance why does the temperature remain

calculate the percentage of nitrogen in ammonium nitrate

at higher altitudes the boiling point of liquids

why we need to balance a chemical equation

name an element which does not contain neutron

degree of dissociation of 0.1 n ch3cooh is

the discovery of neutron becomes very late because

118 elements and their symbols and latin names

what is nlx method how is it useful

difference between electron gain enthalpy and electron affinity

in a saturated air water vapour mixture the

sub shell electronic configuration of first 30 elements

accurate determination of water content is made by

methyl phenyl ether can be obtained by reacting

calcination is used in metallurgy for removal of

Most viewed questions in Chemistry

the health codes cover all issues except food handlers

if you are given the assignment to cut raw poultry

baking bread endothermic or exothermic

chromium metal is immersed in an aqueous solution of cobalt(ii) chloride.

which pair of elements is most apt to form a molecular compound with each other?

marshmallow energy content

heat transfer lab answers.

question 20 a raindrop has a mass of 50.mg and the pacific ocean has a mass of ×7.081020kg .

the reaction between aluminium powder and anhydrous barium nitrate

calculate the number of molecules in 7.00 moles h2s.

lewis acids and bases are most closely associated with which process?

what is the equilibrium associated with ka3 for h3po4?

which 1 mole sample has the least entropy

diethyl ether heat of formation

is carbon dioxide a element compound or mixture