Neutralization reaction
Neutralization reaction is a Science & Technology concept from the MPSC syllabus, tested in 2 past MPSC questions (2014, 2024). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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रासायनिक खतांच्या अतिवापरामुळे शेतजमिनीतील वाढलेल्या अम्लाचे उदासिनीकरण करण्यासाठी कोणते रसायन वापरतात ? / Which chemical compound is used to neutralize the acidity of soil increased due to excessive use of Chemical Fertilizers ?
(a)पोटेश / Potash
(b)चुन्याची निवळी / Lime water
(c)मिल्क ऑफ मॅग्नेशिया / Milk of magnesia
(d)अमोनियम हायड्रॉक्साइड / Ammonium hydroxide
Lime water (calcium hydroxide) or agricultural lime is basic in nature and is used to neutralize the excess acidity in soil caused by overuse of chemical fertilizers.
पुढील दोन विधानांचा विचार करा : (a) आपल्या पोटात हायड्रोक्लोरिक ॲसिड निर्माण होते ते पचनक्रियेस मदत करते. अपचनात पोटात अधिक ॲसिड निर्माण होते ज्याने पोट दुखायला lagte व माणूस अस्वस्थ होतो. (b) मॅग्नेशियम हायड्रॉक्साइड (मिल्क ऑफ मॅग्नेशिया) चा वापर अशा वेळी केला जातो जे एक अर्नाजेसिक आहे. कोणते वाक्य पूर्णपणे बरोबर आहे ? Consider the following two statements : (a) Our stomach produces hydrochloric acid. It helps in digestion of food. During indigestion the stomach produces too much acid causing pain and irritation. (b) Magnesium hydroxide (milk of magnesia) is often used in the above condition which is an analgesic ? Which is a completely correct statement ?
(a)आपल्या पोटात हायड्रोक्लोरिक ॲसिड निर्माण होते ते पचनक्रियेस मदत करते. अपचनात पोटात अधिक ॲसिड निर्माण होते ज्याने पोट दुखायला lagte व माणूस अस्वस्थ होतो. / Our stomach produces hydrochloric acid. It helps in digestion of food. During indigestion the stomach produces too much acid causing pain and irritation.
(b)मॅग्नेशियम हायड्रॉक्साइड (मिल्क ऑफ मॅग्नेशिया) चा वापर अशा वेळी केला जातो जे एक अर्नाजेसिक आहे. / Magnesium hydroxide (milk of magnesia) is often used in the above condition which is an analgesic ?
Hydrochloric acid helps in digestion, but excess causes acidity which is neutralized by antacids like magnesium hydroxide, an antacid, not an analgesic.