Paper of Chemistry
| |Chemistry paper | |
| | | |
|Class: Ten |Roll No: |Subject: Chemistry |
|Student’s Name: |Father’s Name: |
Objective type
Q #1.Mcqs. (12)
1.At dynamic equilibrium
a) the reaction stops to proceed. b) the amounts of reactants and products are equal.
c) the speed of the forward and reverse reactions are equal. d) the reaction can no longer be reversed.
2.Bronsted bases are also Lewis bases because
a) Lewis bases contains extra proton b) Lewis bases have volatile charge
c) Lewis bases have lone pair of electron d) Lewis bases are electron acceptors
3.Ferichydroxide is insoluble precipitate and has …………………..
a) blue color b) white color c) brown color d) dirty green color
4.The reduction of alkylhallides takes place in the presence of
a) Zn/HCl b) Na/HCl c) Mg/HCl d) Cu/HCl
5.Deficiency of vitamin E causes
a) rickets b) scurvy c) anemia d) night blindness
6.Which one of the following is reducing sugar?
a) glucose b) maltose c) sucrose d) starch
7.Buildings are being damaged by acid rain because it attacks
a) Calcium sulphate b) Calcium nitrate c) Calcium carbonate d) Calcium oxalate
8.Which one of the following salts makes water permanently hard
a) Na CO b) NaHCo c) Ca(HCO ) d) CaSO
9.Concentration of the copper one is carried out by
a) calcination b) roasting c) froth flotation d)
| | | |
|Class: Ten |Roll No: |Subject: Chemistry |
|Student’s Name: |Father’s Name: |
Objective type
Q #1.Mcqs. (12)
1.At dynamic equilibrium
a) the reaction stops to proceed. b) the amounts of reactants and products are equal.
c) the speed of the forward and reverse reactions are equal. d) the reaction can no longer be reversed.
2.Bronsted bases are also Lewis bases because
a) Lewis bases contains extra proton b) Lewis bases have volatile charge
c) Lewis bases have lone pair of electron d) Lewis bases are electron acceptors
3.Ferichydroxide is insoluble precipitate and has …………………..
a) blue color b) white color c) brown color d) dirty green color
4.The reduction of alkylhallides takes place in the presence of
a) Zn/HCl b) Na/HCl c) Mg/HCl d) Cu/HCl
5.Deficiency of vitamin E causes
a) rickets b) scurvy c) anemia d) night blindness
6.Which one of the following is reducing sugar?
a) glucose b) maltose c) sucrose d) starch
7.Buildings are being damaged by acid rain because it attacks
a) Calcium sulphate b) Calcium nitrate c) Calcium carbonate d) Calcium oxalate
8.Which one of the following salts makes water permanently hard
a) Na CO b) NaHCo c) Ca(HCO ) d) CaSO
9.Concentration of the copper one is carried out by
a) calcination b) roasting c) froth flotation d)