What is the chemical formula of water?
How many hydrogen atoms are there in one water molecule?
Why is a water molecule polar?
Which atom in a water molecule has a partial negative charge (δ–)?
What type of bond exists between oxygen and hydrogen atoms inside a water molecule?
What causes water molecules to attract each other?
Water is called a universal solvent because it can:
Which substance dissolves well in water?
Which property of water is related to hydrogen bonds?
What happens when salt dissolves in water?
Which part of the water molecule attracts hydrogen bonds from other molecules?
Which statement about water is correct?
Which statements describe water molecules correctly?
Which substances can dissolve well in water?
Which properties of water are connected with hydrogen bonding?
Which statements about water as a solvent are true?
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома