If 9.05 moles of ozone is formed in a storm then the mass of ozone is
1.435g
2.450g
3.434.4g
4.480g
Posted Date:-2021-12-30 10:30:18
A mixture that consists of different components is called
1.homogeneous mixture
2.heterogeneous mixture
3.mixture
4.dilute solution
Posted Date:-2021-12-30 10:23:37
Biochemistry deals with
1.physical changes in living organisms only
2.chemical changes in living organisms only
3.genetically changes in living organisms
4.physical and chemical changes in living organisms
Posted Date:-2021-12-30 10:44:04
Biochemistry deals with
1.Ca-2
2.Ca-1
3.Ca+2
4.Ca-2
Posted Date:-2021-12-30 10:45:21
Ca on losing 2 electrons becomes
1. Ca-2
2.Ca-1
3.Ca+2
4.Ca-2
Posted Date:-2021-12-30 10:31:00
Free radicals are electrically
1.positively charged
2.negatively charged
3.neutral
4. all of above
Posted Date:-2021-12-30 10:24:22
Hair contains keratin proteins which are also present in nails and wool is an example of
1.Biochemistry
2. Inorganic chemistry
3.Physical chemistry
4.organic chemistry
Posted Date:-2021-12-30 10:26:07
Hair contains keratin proteins which are also present in nails and wool is an example of
1.Biochemistry
2. Inorganic chemistry
3.Physical chemistry
4.organic chemistry
Posted Date:-2021-12-30 10:26:21
The empirical formula for water is
1. CO2
2.HO
3.H2
4.H2O
Posted Date:-2021-12-30 10:25:03
The natural force that holds together elements together is called
1.chemical bond
2. force of attraction
3. gravitational force
4.physical bond
Posted Date:-2021-12-30 10:27:29