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10 class chapter 1 quiz 2

Authored by Dimpi Khanna

Chemistry

10th Grade

10 class chapter 1 quiz 2
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4 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Respiration is

श्वसन एक

Exothermic process /ऊष्माक्षेपी अभिक्रिया है

Endothermic process /ऊष्माशोषी अभिक्रिया है

Reductiin reaction/ अपचयन अभिक्रिया है

None of these/ इनमें से कोई नहीं

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Silver ornaments turn grey after some time due to. चांदी के आभूषण कुछ समय बाद काले से पड़ जाते हैं

Polish पोलिश के कारण

Bat colouring खराब रंग के कारण

Corrosion संक्षारण के कारण

None of these इनमें से कोई नहीं

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following equation is balanced?

इनमें से कौनसी समीकरण संतुलित है?

NaCl + H2O. = HCl + NaOH

NaCl +2 H2O = 2HCl + 2NaOH

2NaCl + H2O = 2NaOH + + HCl

Nonne of these / इनमें से कोई नहीं

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The substance which is reduced in the following reaction is

निम्नलिखित अभिक्रिया में वह पदार्थ जिसका अपचयन हो रहा है ,है।

C + 2HgO = CO2 +2Hg

C

Hg

HgO

CO2

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