HTET Exam - Level 1 PRT - Science

HTET exam Level 1 PRT preparation with Clear Cutoff

Question Details
Exam: HTET
Level: Level 1 PRT
State: Haryana
Subject: Science
Questions: 708
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Question 181

Matter in Our Surroundings
हमारे आस-पास के पदार्थ

Which of the following statements are correct?
(i) Temperature changes during the change of a state.
(ii) Dry ice gets converted directly into gaseous state under normal atmospheric conditions.
(iii) Higher boiling points of liquid indicates weaker intermolecular forces.
(iv) Latent heat of vaporization is generally higher than the latent heat of fusion for a substance.
Correct option is :

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निम्नलिखित में से कौन-से कथन सही हैं ?
(i) अवस्था परिवर्तन के दौरान ताप परिवर्तित होता है।
(ii) सामान्य वायुमण्डलीय परिस्थितियों में शुष्क बर्फ सीधे गैसीय अवस्था में परिवर्तित हो जाती है।
(iii) द्रव का उच्च क्वथनांक, दुर्बल अन्तरआण्विक बलों को दर्शाता है।
(iv) किसी पदार्थ के लिए गलन की गुप्त ऊष्मा की तुलना में वाष्पन की गुप्त ऊष्मा अधिक होती है।
सही विकल्प है :

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Question 182

Matter in Our Surroundings
हमारे आस-पास के पदार्थ

Which of the following statement is incorrect about state of matter?

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द्रव्य की अवस्था के संदर्भ में निम्नलिखित में से कौन-सा कथन सही नहीं है ?

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Question 183

Matter in Our Surroundings
हमारे आस-पास के पदार्थ

For the reaction 2SO2+O2⇌2SO3;ΔH=−45 kcal, which one of the following statement is correct?\text{For the reaction } 2SO_2 + O_2 \rightleftharpoons 2SO_3; \Delta H = -45 \text{ kcal, which one of the following statement is correct?}

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अभिक्रिया 2SO2+O2⇌2SO3;ΔH=−452SO_2 + O_2 \rightleftharpoons 2SO_3; \Delta H = -45 kcal के लिए निम्न में से कौन-सा कथन सही है?

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Question 184

Matter in Our Surroundings
हमारे आस-पास के पदार्थ

Match List-I and List-II and choose the correct answer from the codes given below the lists :

List-I : \qquad\qquad \qquad \qquad \qquad List-II

(A.)N2O3⇌NO+NO2(A.) N_2O_3 \rightleftharpoons NO + NO_2\quad : (i) kp=kc(RT)k_p = k_c(RT)

(B.)2NH3⇌N2+3H2(B.) 2NH_3 \rightleftharpoons N_2 + 3H_2\quad : (ii) kc=kp(RT)k_c = k_p(RT)

(C.)2SO2+O2⇌2SO3(C.) 2SO_2 + O_2 \rightleftharpoons 2SO_3\quad : (iii) kc=kpk_c = k_p

(D.)N2+O2⇌2NO(D.) N_2 + O_2 \rightleftharpoons 2NO\qquad (iv) k_p = kc(RT)2k_c(RT)^2<br
Code :\text{Code :}

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सूची-I को सूची-II के साथ सुमेलित करें एवं सूची में नीचे दिये गये कूटों का उपयोग कर सही उत्तर का चयन करें :

सूची-I :\qquad\qquad \qquad\qquadसूची-II

(A.) N2O3⇌NO+NO2N_2O_3\rightleftharpoons NO+ NO_2\quad:(i) kp=kc(RT)k_p = k_c(RT)

(B.) 2NH3⇌N2+3H22NH_3 \rightleftharpoons N_2 + 3H_2\quad :(ii) kc=kp(RT)k_c = k_p(RT)

(C.) 2SO2+O2⇌2SO32SO_2 + O_2 \rightleftharpoons 2SO_3\quad:(iii) kc=kpk_c = k_p

(D.) N2+O2⇌2NON_2 + O_2 \rightleftharpoons 2NO\qquad :(iv) kp=kc(RT)2k_p = k_c(RT)^2

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Question 185

Matter in Our Surroundings
हमारे आस-पास के पदार्थ

\text{For the reaction } N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g) \Delta H = \text{-ve :}

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N2(g)+3H2(g)⇌2NH3N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g) Δ\Delta H = -ve अभिक्रिया के लिए :

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Question 186

Matter in Our Surroundings
हमारे आस-पास के पदार्थ

Which of the following condition is most favourable for converting gas into liquid?

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गैस को द्रव में परिवर्तित करने के लिए निम्नलिखित में से कौन-सी अवस्था सर्वाधिक अनुकूल है ?

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Question 187

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

With dilution the molar conductivity of a solution:

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किसी विलयन की तनुता बढ़ाने के साथ मोलर चालकता का मान :

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Question 188

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

The flocculating power of which of the following is highest for coagulation of Al2O3.xH2OAl_{2}O_{3}.xH_{2}O sol ?

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Al2O3.xH2OAl_{2}O_{3}.xH_{2}O सॉल के स्कंदन में निम्नलिखित में से किसकी ऊर्णन क्षमता उच्चतम है ?

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Question 189

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

The strongest reducing agent among the hydrides of Group 15 elements is:

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वर्ग 15 के तत्त्वों के हाइड्राइडों में सबसे प्रबल अपचायक है :

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Question 190

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

Which of the following is an example of solid solution?

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निम्नलिखित में से कौन-सा ठोस विलयन का उदाहरण है ?

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Question 191

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

Which one of the following does not exist?

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निम्नलिखित में से कौन-सा एक अस्तित्व में नहीं है ?

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Question 192

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

Which of the following is a high potency sweetner ?

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निम्नलिखित में से कौन-सा अधिक प्रबल मधुरक है?

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Question 193

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

λm∘\lambda_{m}^{\circ} for NaCl, HCl and NaAc are 126.4, 425.9 and 91.0Scm2mol−191.0 S cm^{2}mol^{-1} respectively, then λ∘\lambda^{\circ} for HAC is :

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NaCl, HCl एवम् NaAc के लिए λm∘\lambda_{m}^{\circ} क्रमशः 126.4, 425.9 एवं 91.0Scm2mol−191.0 S cm^{2}mol^{-1} है, तब HAC के लिए λ∘\lambda^{\circ} होगा :

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Question 194

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

The monomers of glyptal are:

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ग्लिप्टल के एकलक हैं :

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Question 195

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

Which of the following is non-reducing sugar ?

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निम्नलिखित में से कौन-सी अनअपचायी शर्करा है?

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Question 196

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

Kaolinite is an ore of which metal?

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केयोलिनाइट किस धातु की अयस्क है ?

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Question 197

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

The oxidation state of each oxygen in KO2KO_{2} is:

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KO2KO_{2} में प्रत्येक ऑक्सीजन की ऑक्सीकरण संख्या है :

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Question 198

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

The principal emulsifying agent for O/W emulsion is :

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O/W इमल्शन के लिए प्रमुख पायसी कर्मक है :

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Question 199

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

Which of the following statement is correct for emulsion ?

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निम्नलिखित में से कौन-सा कथन इमल्शन के लिए सही है ?

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Question 200

Is Matter Around Us Pure?
क्या हमारे आस-पास के पदार्थ शुद्ध हैं?

Which of the following artificial sweetener is methyl ester of dipeptide formed from aspartic acid and phenyl alanine ?

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निम्नलिखित में से कौन-सा कृत्रिम मधुरक ऐस्पार्टिक अम्ल तथा फेनिलऐलानीन से बने डाइपेप्टाइड का मेथिल एस्टर है ?

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