Methyl chloride on treatment with excess of ammonia yields:

Fehling solution A and Fehling solution B are:

Match List - I with List - II.

List - I	List - II
A. Simple and face centred cubic	I. \(\text{a} = \text{b} = \text{c}\)
B. Cubic and rhombohedral	II. \(\alpha = \beta = \gamma = 90°\)
C. Cubic and tetragonal	III. have only two crystallographic angle of \(90°\)
D. Hexagonal and monoclinic	IV. belong to the same crystalline system

Choose the correct answer from the options given below :

In the following reaction, identify the product D:
\(C _6 H _5 OH + Zn~ \text{dust} \rightarrow A\)
\(CH _3 Cl + {\text { anhy. } AlCl _3} \rightarrow B\)
\({K_2 Cr _2 O _7+ H _2 SO _4} \rightarrow C\)
\({ H _2 SO _4+ HNO _3} \rightarrow D\)

Match List-I with List-II

List-I ( Common name)	List-II ( IUPAC name)
(A) Vinyl Chloride	(I) 1-Chloro-2-methylbenzene
(B) Chloroform	(II) Dichloromethane
(C) Methylene chloride	(III) Trichloromethane
(D) o-Chlorotoluene	(IV) Chloroethene

Choose the correct answer from the options given below:

Which of the following statements is/ are correct
(A) For an ideal solution, the enthalpy and volume of mixing of pure components are zero.
(B) The inter-molecular attractive forces between A-A and B-B are greater than those between A-B for an ideal binary solution.
(C) The inter-molecular attractive forces between A-A and B-B are of the same order as those between A-B for an ideal binary solution
(D) For an ideal solution, the enthalpy and volume of mixing of pure components to form the solution are positive.
Choose the correct answer from the options given below:

Which of the following statement/s is/are wrong?
A. Methylamine is more basic than ammonia.
B. Amines form hydrogen bonds.
C. Ethylamine has higher boiling point than propane.
D. Dimethylamine is less basic than methylamine.
E. Amines are soluble in organic solvents like alcohol.
Choose the correct from the options given below:

Match List I with List II

LIST - I	LIST - II
A. \(\left( CH _3\right)_3 N, CH _3 CH _2 CH _2 NH _2\)	I. Tollen's test
B. \(HCOOH , CH _3 COOH\)	II. Lucas test
C. \(CH _3- C (= O )- CH _2- CH _2- CH _3, CH _3- CH _2- C (= O )- CH _2-CH _3\)	III. Carbylamine test
D. \(CH _3- CH _2- CH _2- CH _2- OH , CH _3- C \left( CH _3\right)( OH )- CH _3\)	IV. lodoform test

Choose the correct answer from the options given below

Which of the following statements are true?
(A) Rheostat can be used both as a variable resistance and a potential divider.
(B) An electrical circuit is functional only if all the components of the circuit are connected in proper order, assuming that all circuit components/ devices are in working condition and key is closed.
(C) An open circuit means a break in some part of a circuit which could be deliberate such as a key in open position or a fault such as broken wire or burnt out component(s) or loose connection.
(D) Rheostat as a potential divider gives variable resistance.
Choose the correct answer from the options given below:

Ultraviolet radiations of 6.2 eV are incident on an aluminum surface of work function 4.2 eV. The maximum kinetic energy of the emitted electrons is

Primary productivity does not depends on :

In photoelectric effect, the stopping potential depends on the

The corner points of a bounded feasible region determined by the following system of linear inequalities \(x+3 y \leq 60, x+y \geq 10, x \leq y, x \geq 0, y \geq 0\) are \((0,10),(5,5),(15,15)\) and (0,20). Let \(z=2 p x+q y, p, q>0\). If maximum of z occurs at both (15, 15) and (0, 20), then the relation between p and q is