NTA JEE Main 28th July 2022 Shift 1

Instructions

For the following questions answer them individually

NTA JEE Main 28th July 2022 Shift 1 - Question 41


Given below are two statements:
Statement I: In polluted water values of both dissolved oxygen and BOD are very low.
Statement II: Eutrophication results in decrease in the amount of dissolved oxygen.
In the light of the above statements, choose the most appropriate answer from the options given below:

NTA JEE Main 28th July 2022 Shift 1 - Question 42


Match List-I with List-II.

List-IList-II
A. $$Cd(s) + 2Ni(OH)_3(s) \to CdO(s) + 2Ni(OH)_2(s) + H_2O(l)$$I. Primary battery
B. $$Zn(Hg) + HgO(s) \to ZnO(s) + Hg(l)$$II. Discharging of secondary battery
C. $$2PbSO_4(s) + 2H_2O(l) \to Pb(s) + PbO_2(s) + 2H_2SO_4(aq)$$III. Fuel cell
D. $$2H_2(g) + O_2(g) \to 2H_2O(l)$$IV. Charging of secondary battery

NTA JEE Main 28th July 2022 Shift 1 - Question 43


Which of the reaction is suitable for concentrating ore by leaching process?

NTA JEE Main 28th July 2022 Shift 1 - Question 44


Match List-I with List-II.

List-IList-II
A. $$4NH_3(g) + 5O_2(g) \to 4NO(g) + 6H_2O(g)$$I. NO(g)
B. $$N_2(g) + 3H_2(g) \to 2NH_3(g)$$II. $$H_2SO_4(l)$$
C. $$C_{12}H_{22}O_{11}(aq) + H_2O(l) \to C_6H_{12}O_6 (Glucose) + C_6H_{12}O_6 (Fructose)$$III. Pt(s)
D. $$2SO_2(g) + O_2(g) \to 2SO_3(g)$$IV. Fe(s)

NTA JEE Main 28th July 2022 Shift 1 - Question 45


Match List-I with List-II, match the gas evolved during each reaction.

List-IList-II
A. $$(NH_4)_2Cr_2O_7 \xrightarrow{\Delta}$$I. $$H_2$$
B. $$KMnO_4 + HCl \to$$II. $$N_2$$
C. $$Al + NaOH + H_2O \to$$III. $$O_2$$
D. $$NaNO_3 \xrightarrow{\Delta}$$IV. $$Cl_2$$

Choose the correct answer from the options given below

NTA JEE Main 28th July 2022 Shift 1 - Question 46


Which of the following has least tendency to liberate $$H_2$$ from mineral acids?

NTA JEE Main 28th July 2022 Shift 1 - Question 47


Identify the major product A and B for the below given reaction sequence.

image

NTA JEE Main 28th July 2022 Shift 1 - Question 48


Terylene polymer is obtained by condensation of

NTA JEE Main 28th July 2022 Shift 1 - Question 49


Statements about Enzyme Inhibitor Drugs are given below:
(A) There are Competitive and Non-competitive inhibitor drugs.
(B) These can bind at the active sites and allosteric sites.
(C) Competitive Drugs are allosteric site blocking drugs.
(D) Non-competitive Drugs are active site blocking drugs.
Choose the correct answer from the options given below:

NTA JEE Main 28th July 2022 Shift 1 - Question 50


For the below given cyclic hemiacetal X, the correct pyranose structure is

image
banner

banner
cracku

Boost your Prep!

Download App