Esok Senja

        I.             TUJUAN             Memperkirakan pH beberapa larutan dengan menggunakan beberapa  larutan indikator asam basa     II.             DASAR TEORI Setiap senyawa pasti memiliki sifat asam, basa atau netral. Asam secara umum merupakan senyawa kimia yang bila dilarutkan dalam air akan menghasilkan larutan dengan pH lebih kecil dari 7. Asam adalah suatu zat yang dapat memberi proton (ion H+) kepada zat lain (yang disebut basa), atau dapat menerima pasangan elektron bebas dari suatu basa. Secara umum, asam memiliki sifat sebagai berikut: 1.       Masam ketika dilarutkan dalam air. 2.       Asam terasa menyengat bila disentuh, dan dapat merusak kulit. 3.       Asam bereaksi he...

1.        PASSIVE VOICE Passive voice is a type of sentence or clause in which the subject receives the action of the ver b. passive voice of the verb used when the subject of the verb refers to the person or object that receives the action as described verbs. Only verbs that take an object that can be used as passive voice. Passive voice is more commonly used English than other European languages ​​such as German or French. Passive voice is used extensively in official documents and papers. Example: A ctive : They buy a food everyday P assive : A food is bought buy them Subject + be + V 3 + Object + Modifier   According to the example, the pattern of the passive vioce is 2.       WHEN DO WE USE PASSIVE VOICE? Sometimes the passive voice is the best choice. Here are a few instances when the passive voice is quite useful. When the RECEIVER of an action is ...