state the observation for the following when (i) manganese dioxide react with conc.HCI. ii) a glass rod dipped in conc. hydrochloric acid is a brought near ammonia gas. iii) conc. sulphuric acid added to carbon.​

Answer:

Life is short and time is fleeting.

Explanation:

Answer:

we paid a fleeting visit to Paris.

Explanation:

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Answer:

Correct option is D)

Rate of S  

N

​

2 reaction ∝  

stericovercrowdingintransitionstate

1

​

So, the reactivity of CH  

3

​

Cl will be the most.

And as the steric hinderance increases rate of S  

N

​

2

 will decrease. And hinderance increases with crowding on the central atom.

Hence the correct order is option D.

Explanation:

The correct order of reactivity of the compound is Answer

A. CHCI CI > CH3C1✔✔

B. O CI CH2C1 C2H5C1 >

C. O CI CHCI C2H5C1 > D. O None of these

Answer:

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Explanation:

दक्षिण भारत पांच भारतीय राज्यों आंध्र प्रदेश, कर्नाटक, केरल, तमिलनाडु और तेलंगाना के साथ-साथ तीन केंद्र शासित प्रदेशों लक्षद्वीप, अण्डमान और निकोबार द्वीपसमूह और पुडुचेरी का क्षेत्रफल है, जो भारत के 19% क्षेत्र (635,780 कि॰मी2 या 245,480 वर्ग मील) है। भारत के दक्षिणी भाग को दक्षिण भारत भी कहते हैं।

केरल

तमिलनाडु

कर्नाटक

आंध्र प्रदेश

तेलंगाना

Explanation:

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Answer:

1- "Self-respect of the Telugus" (1989) -: During the election campaign in 1983 Assembly Election, the leader of Telugu Desam Party in Andhra Pradesh N. T. Rama Rao used this slogan.

2- "Save Democracy" (1977) -: This slogan was given by Janta Party in Lok sabha Election held in 1977.

3- "Garibi  Hatao" (1971) -:  The slogan coined by Indira Gandhi resonated with the nation and secured a landslide victory for the Congress party.

4- "Land to the Tiller" (1977) -: The Left Front used this slogan in the West Bengal assembly elections held in 1977.

Explanation: