Which of the following substances cause temporary hardness in water?
1. Mg(HCO3)2
2. Ca(HCO3)2
3. CaCl2
4. MgSO4
There are two types of water hardness: temporary and permanent hardness. Temporary hardness is due to the presence of calcium hydrogen carbonate Ca(HCO3)2(aq) and magnesium hydrogen carbonate Mg(HCO3)2(aq).
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What is the basis of classifying various plant tissues as meristematic tissue and permanent tissue?
Match the following.
Digestive Input Output
I. Proteins 1. GlycerolII. Carbohydrates 2. AminoacidsIII. Fats 3. Glucose
Which of the following statements are CORRECT?
I. Oxides of metals are generally basic.
II. Oxides of non-metals are generally acidic.
III. Non-metals are generally electro positive.
What is the capital of Ghana?
The capital of Ghana is Accra and its currency is Ghanaian Cedi.
Which Indian state touches the border of maximum states?
Which State is called the ' Cradle of Buddhism '?
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