Groups 1 & 2
1. This question has 3 part(s).
1.1. This question is about trends within Group 2 of the Periodic Table.
Which of the following describes the trends in thermal stability of the Group 2 carbonates and nitrates going down the group?
| Thermal stability | |
| Carbonates | Nitrates |
A | increases | increases |
B | increases | decreases |
C | decreases | increases |
D | decreases | decreases |
1.2. Describe, with the aid of a labelled diagram, how you would compare the thermal stability of two different Group 2 nitrates using simple laboratory equipment.
Your answer must include one safety precaution (excluding the use of gloves, laboratory coat and eye protection).
1.3. Which of the following describes the trends in the solubility in water of the Group 2 hydroxides and sulfates going down the group?
| Solubility in water | |
| Hydroxides | Sulfates |
A | increases | increases |
B | increases | decreases |
C | decreases | increases |
D | decreases | decreases |
Ai এর মাধ্যমে
১০ লক্ষ+ প্রশ্ন ডাটাবেজ
প্র্যাকটিস এর মাধ্যমে নিজেকে তৈরি করে ফেলো
উত্তর দিবে তোমার বই থেকে ও তোমার মত করে।
সারা দেশের শিক্ষার্থীদের মধ্যে নিজের অবস্থান যাচাই
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